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Finding the Third Proportional to 15,708 and 34,188

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Solution

The third proportional to 15,708 and 34,188 is: 74,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708 : 34,188 = 34,188 : x
  2. Step 2: Convert to fraction form
    15,708/34,188 = 34,188/x
  3. Step 3: Cross multiply
    15,708x = 34,188 × 34,188
  4. Step 4: Simplify right side
    15,708x = 1,168,819,344
  5. Step 5: Solve for x
    x = 1,168,819,344/15,708
  6. Step 6: Final answer
    x = 74,409.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.