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Finding the Third Proportional to 39,931,344 and 85,915,320

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Solution

The third proportional to 39,931,344 and 85,915,320 is: 184,853,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,344 : 85,915,320 = 85,915,320 : x
  2. Step 2: Convert to fraction form
    39,931,344/85,915,320 = 85,915,320/x
  3. Step 3: Cross multiply
    39,931,344x = 85,915,320 × 85,915,320
  4. Step 4: Simplify right side
    39,931,344x = 7,381,442,210,702,400
  5. Step 5: Solve for x
    x = 7,381,442,210,702,400/39,931,344
  6. Step 6: Final answer
    x = 184,853,337.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.