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Finding the Third Proportional to 47,291,912 and 71,276,124

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Solution

The third proportional to 47,291,912 and 71,276,124 is: 107,423,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,912 : 71,276,124 = 71,276,124 : x
  2. Step 2: Convert to fraction form
    47,291,912/71,276,124 = 71,276,124/x
  3. Step 3: Cross multiply
    47,291,912x = 71,276,124 × 71,276,124
  4. Step 4: Simplify right side
    47,291,912x = 5,080,285,852,463,376
  5. Step 5: Solve for x
    x = 5,080,285,852,463,376/47,291,912
  6. Step 6: Final answer
    x = 107,423,989.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.