Home / 387,076-829,448

Finding the Third Proportional to 387,076 and 829,448

Calculator

Solution

The third proportional to 387,076 and 829,448 is: 1,777,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,076 : 829,448 = 829,448 : x
  2. Step 2: Convert to fraction form
    387,076/829,448 = 829,448/x
  3. Step 3: Cross multiply
    387,076x = 829,448 × 829,448
  4. Step 4: Simplify right side
    387,076x = 687,983,984,704
  5. Step 5: Solve for x
    x = 687,983,984,704/387,076
  6. Step 6: Final answer
    x = 1,777,387.35

Related Problems

Find third proportional to 193,538 and 414,724
Half scale
Find third proportional to 774,152 and 1,658,896
Double scale
Find third proportional to 387,078 and 829,452
Similar ratio
Find third proportional to 580,614 and 1,244,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.