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Finding the Third Proportional to 66,037,494 and 89,677,245

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Solution

The third proportional to 66,037,494 and 89,677,245 is: 121,779,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037,494 : 89,677,245 = 89,677,245 : x
  2. Step 2: Convert to fraction form
    66,037,494/89,677,245 = 89,677,245/x
  3. Step 3: Cross multiply
    66,037,494x = 89,677,245 × 89,677,245
  4. Step 4: Simplify right side
    66,037,494x = 8,042,008,270,790,025
  5. Step 5: Solve for x
    x = 8,042,008,270,790,025/66,037,494
  6. Step 6: Final answer
    x = 121,779,428.38

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.