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Finding the Third Proportional to 85,018,608 and 135,347,472

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Solution

The third proportional to 85,018,608 and 135,347,472 is: 215,469,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,018,608 : 135,347,472 = 135,347,472 : x
  2. Step 2: Convert to fraction form
    85,018,608/135,347,472 = 135,347,472/x
  3. Step 3: Cross multiply
    85,018,608x = 135,347,472 × 135,347,472
  4. Step 4: Simplify right side
    85,018,608x = 18,318,938,176,790,784
  5. Step 5: Solve for x
    x = 18,318,938,176,790,784/85,018,608
  6. Step 6: Final answer
    x = 215,469,749.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.