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Finding the Third Proportional to 47,157,390 and 74,987,532

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Solution

The third proportional to 47,157,390 and 74,987,532 is: 119,241,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157,390 : 74,987,532 = 74,987,532 : x
  2. Step 2: Convert to fraction form
    47,157,390/74,987,532 = 74,987,532/x
  3. Step 3: Cross multiply
    47,157,390x = 74,987,532 × 74,987,532
  4. Step 4: Simplify right side
    47,157,390x = 5,623,129,955,451,024
  5. Step 5: Solve for x
    x = 5,623,129,955,451,024/47,157,390
  6. Step 6: Final answer
    x = 119,241,755.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.