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Finding the Third Proportional to 74,592,343 and 156,915,218

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Solution

The third proportional to 74,592,343 and 156,915,218 is: 330,092,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592,343 : 156,915,218 = 156,915,218 : x
  2. Step 2: Convert to fraction form
    74,592,343/156,915,218 = 156,915,218/x
  3. Step 3: Cross multiply
    74,592,343x = 156,915,218 × 156,915,218
  4. Step 4: Simplify right side
    74,592,343x = 24,622,385,639,987,524
  5. Step 5: Solve for x
    x = 24,622,385,639,987,524/74,592,343
  6. Step 6: Final answer
    x = 330,092,669.70

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.