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Finding the Third Proportional to 47,236,426 and 70,608,720

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Solution

The third proportional to 47,236,426 and 70,608,720 is: 105,545,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236,426 : 70,608,720 = 70,608,720 : x
  2. Step 2: Convert to fraction form
    47,236,426/70,608,720 = 70,608,720/x
  3. Step 3: Cross multiply
    47,236,426x = 70,608,720 × 70,608,720
  4. Step 4: Simplify right side
    47,236,426x = 4,985,591,340,038,400
  5. Step 5: Solve for x
    x = 4,985,591,340,038,400/47,236,426
  6. Step 6: Final answer
    x = 105,545,481.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.