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Finding the Third Proportional to 71,774,448 and 155,663,904

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Solution

The third proportional to 71,774,448 and 155,663,904 is: 337,602,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,774,448 : 155,663,904 = 155,663,904 : x
  2. Step 2: Convert to fraction form
    71,774,448/155,663,904 = 155,663,904/x
  3. Step 3: Cross multiply
    71,774,448x = 155,663,904 × 155,663,904
  4. Step 4: Simplify right side
    71,774,448x = 24,231,251,008,521,216
  5. Step 5: Solve for x
    x = 24,231,251,008,521,216/71,774,448
  6. Step 6: Final answer
    x = 337,602,749.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.