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Finding the Third Proportional to 38,352 and 51,816

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Solution

The third proportional to 38,352 and 51,816 is: 70,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352 : 51,816 = 51,816 : x
  2. Step 2: Convert to fraction form
    38,352/51,816 = 51,816/x
  3. Step 3: Cross multiply
    38,352x = 51,816 × 51,816
  4. Step 4: Simplify right side
    38,352x = 2,684,897,856
  5. Step 5: Solve for x
    x = 2,684,897,856/38,352
  6. Step 6: Final answer
    x = 70,006.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.