Home / 387,042-586,395

Finding the Third Proportional to 387,042 and 586,395

Calculator

Solution

The third proportional to 387,042 and 586,395 is: 888,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,042 : 586,395 = 586,395 : x
  2. Step 2: Convert to fraction form
    387,042/586,395 = 586,395/x
  3. Step 3: Cross multiply
    387,042x = 586,395 × 586,395
  4. Step 4: Simplify right side
    387,042x = 343,859,096,025
  5. Step 5: Solve for x
    x = 343,859,096,025/387,042
  6. Step 6: Final answer
    x = 888,428.38

Related Problems

Find third proportional to 193,521 and 293,197.50
Half scale
Find third proportional to 774,084 and 1,172,790
Double scale
Find third proportional to 387,044 and 586,398
Similar ratio
Find third proportional to 580,563 and 879,592.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.