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Finding the Third Proportional to 39,931,689 and 61,339,963

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Solution

The third proportional to 39,931,689 and 61,339,963 is: 94,225,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,689 : 61,339,963 = 61,339,963 : x
  2. Step 2: Convert to fraction form
    39,931,689/61,339,963 = 61,339,963/x
  3. Step 3: Cross multiply
    39,931,689x = 61,339,963 × 61,339,963
  4. Step 4: Simplify right side
    39,931,689x = 3,762,591,060,841,369
  5. Step 5: Solve for x
    x = 3,762,591,060,841,369/39,931,689
  6. Step 6: Final answer
    x = 94,225,692.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.