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Finding the Third Proportional to 74,436 and 127,225.50

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Solution

The third proportional to 74,436 and 127,225.50 is: 217,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436 : 127,225.50 = 127,225.50 : x
  2. Step 2: Convert to fraction form
    74,436/127,225.50 = 127,225.50/x
  3. Step 3: Cross multiply
    74,436x = 127,225.50 × 127,225.50
  4. Step 4: Simplify right side
    74,436x = 16,186,327,850.25
  5. Step 5: Solve for x
    x = 16,186,327,850.25/74,436
  6. Step 6: Final answer
    x = 217,452.95

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.