Home / 296,264-639,072

Finding the Third Proportional to 296,264 and 639,072

Calculator

Solution

The third proportional to 296,264 and 639,072 is: 1,378,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,264 : 639,072 = 639,072 : x
  2. Step 2: Convert to fraction form
    296,264/639,072 = 639,072/x
  3. Step 3: Cross multiply
    296,264x = 639,072 × 639,072
  4. Step 4: Simplify right side
    296,264x = 408,413,021,184
  5. Step 5: Solve for x
    x = 408,413,021,184/296,264
  6. Step 6: Final answer
    x = 1,378,544.21

Related Problems

Find third proportional to 148,132 and 319,536
Half scale
Find third proportional to 592,528 and 1,278,144
Double scale
Find third proportional to 296,266 and 639,076
Similar ratio
Find third proportional to 444,396 and 958,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.