Home / 387,983,264-840,544,128

Finding the Third Proportional to 387,983,264 and 840,544,128

Calculator

Solution

The third proportional to 387,983,264 and 840,544,128 is: 1,820,992,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,983,264 : 840,544,128 = 840,544,128 : x
  2. Step 2: Convert to fraction form
    387,983,264/840,544,128 = 840,544,128/x
  3. Step 3: Cross multiply
    387,983,264x = 840,544,128 × 840,544,128
  4. Step 4: Simplify right side
    387,983,264x = 706,514,431,115,280,384
  5. Step 5: Solve for x
    x = 706,514,431,115,280,384/387,983,264
  6. Step 6: Final answer
    x = 1,820,992,028.96

Related Problems

Find third proportional to 193,991,632 and 420,272,064
Half scale
Find third proportional to 775,966,528 and 1,681,088,256
Double scale
Find third proportional to 387,983,266 and 840,544,132
Similar ratio
Find third proportional to 581,974,896 and 1,260,816,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.