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Finding the Third Proportional to 74,458,248 and 115,584,876

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Solution

The third proportional to 74,458,248 and 115,584,876 is: 179,427,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458,248 : 115,584,876 = 115,584,876 : x
  2. Step 2: Convert to fraction form
    74,458,248/115,584,876 = 115,584,876/x
  3. Step 3: Cross multiply
    74,458,248x = 115,584,876 × 115,584,876
  4. Step 4: Simplify right side
    74,458,248x = 13,359,863,559,935,376
  5. Step 5: Solve for x
    x = 13,359,863,559,935,376/74,458,248
  6. Step 6: Final answer
    x = 179,427,584.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.