Home / 85,288,061.25-121,878,618.75

Finding the Third Proportional to 85,288,061.25 and 121,878,618.75

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Solution

The third proportional to 85,288,061.25 and 121,878,618.75 is: 174,167,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288,061.25 : 121,878,618.75 = 121,878,618.75 : x
  2. Step 2: Convert to fraction form
    85,288,061.25/121,878,618.75 = 121,878,618.75/x
  3. Step 3: Cross multiply
    85,288,061.25x = 121,878,618.75 × 121,878,618.75
  4. Step 4: Simplify right side
    85,288,061.25x = 14,854,397,708,407,852
  5. Step 5: Solve for x
    x = 14,854,397,708,407,852/85,288,061.25
  6. Step 6: Final answer
    x = 174,167,374.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.