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Finding the Third Proportional to 47,749,215 and 102,305,446

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Solution

The third proportional to 47,749,215 and 102,305,446 is: 219,195,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749,215 : 102,305,446 = 102,305,446 : x
  2. Step 2: Convert to fraction form
    47,749,215/102,305,446 = 102,305,446/x
  3. Step 3: Cross multiply
    47,749,215x = 102,305,446 × 102,305,446
  4. Step 4: Simplify right side
    47,749,215x = 10,466,404,281,258,916
  5. Step 5: Solve for x
    x = 10,466,404,281,258,916/47,749,215
  6. Step 6: Final answer
    x = 219,195,316.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.