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Finding the Third Proportional to 74,293,468 and 156,107,192

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Solution

The third proportional to 74,293,468 and 156,107,192 is: 328,016,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,468 : 156,107,192 = 156,107,192 : x
  2. Step 2: Convert to fraction form
    74,293,468/156,107,192 = 156,107,192/x
  3. Step 3: Cross multiply
    74,293,468x = 156,107,192 × 156,107,192
  4. Step 4: Simplify right side
    74,293,468x = 24,369,455,394,124,864
  5. Step 5: Solve for x
    x = 24,369,455,394,124,864/74,293,468
  6. Step 6: Final answer
    x = 328,016,123.76

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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.