Home / 424,415-915,304

Finding the Third Proportional to 424,415 and 915,304

Calculator

Solution

The third proportional to 424,415 and 915,304 is: 1,973,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,415 : 915,304 = 915,304 : x
  2. Step 2: Convert to fraction form
    424,415/915,304 = 915,304/x
  3. Step 3: Cross multiply
    424,415x = 915,304 × 915,304
  4. Step 4: Simplify right side
    424,415x = 837,781,412,416
  5. Step 5: Solve for x
    x = 837,781,412,416/424,415
  6. Step 6: Final answer
    x = 1,973,967.49

Related Problems

Find third proportional to 212,207.50 and 457,652
Half scale
Find third proportional to 848,830 and 1,830,608
Double scale
Find third proportional to 424,417 and 915,308
Similar ratio
Find third proportional to 636,622.50 and 1,372,956
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.