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Finding the Third Proportional to 71,774,472 and 155,663,952

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Solution

The third proportional to 71,774,472 and 155,663,952 is: 337,602,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,774,472 : 155,663,952 = 155,663,952 : x
  2. Step 2: Convert to fraction form
    71,774,472/155,663,952 = 155,663,952/x
  3. Step 3: Cross multiply
    71,774,472x = 155,663,952 × 155,663,952
  4. Step 4: Simplify right side
    71,774,472x = 24,231,265,952,258,304
  5. Step 5: Solve for x
    x = 24,231,265,952,258,304/71,774,472
  6. Step 6: Final answer
    x = 337,602,845.09

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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.