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Finding the Third Proportional to 34,476 and 74,472

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Solution

The third proportional to 34,476 and 74,472 is: 160,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,476 : 74,472 = 74,472 : x
  2. Step 2: Convert to fraction form
    34,476/74,472 = 74,472/x
  3. Step 3: Cross multiply
    34,476x = 74,472 × 74,472
  4. Step 4: Simplify right side
    34,476x = 5,546,078,784
  5. Step 5: Solve for x
    x = 5,546,078,784/34,476
  6. Step 6: Final answer
    x = 160,867.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.