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Finding the Third Proportional to 74,218,438 and 113,247,289

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Solution

The third proportional to 74,218,438 and 113,247,289 is: 172,800,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218,438 : 113,247,289 = 113,247,289 : x
  2. Step 2: Convert to fraction form
    74,218,438/113,247,289 = 113,247,289/x
  3. Step 3: Cross multiply
    74,218,438x = 113,247,289 × 113,247,289
  4. Step 4: Simplify right side
    74,218,438x = 12,824,948,465,849,520
  5. Step 5: Solve for x
    x = 12,824,948,465,849,520/74,218,438
  6. Step 6: Final answer
    x = 172,800,032.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.