Home / 85,288,052.67-121,878,605.39

Finding the Third Proportional to 85,288,052.67 and 121,878,605.39

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Solution

The third proportional to 85,288,052.67 and 121,878,605.39 is: 174,167,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288,052.67 : 121,878,605.39 = 121,878,605.39 : x
  2. Step 2: Convert to fraction form
    85,288,052.67/121,878,605.39 = 121,878,605.39/x
  3. Step 3: Cross multiply
    85,288,052.67x = 121,878,605.39 × 121,878,605.39
  4. Step 4: Simplify right side
    85,288,052.67x = 14,854,394,451,962,464
  5. Step 5: Solve for x
    x = 14,854,394,451,962,464/85,288,052.67
  6. Step 6: Final answer
    x = 174,167,353.89

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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.