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Finding the Third Proportional to 53,424 and 83,051

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Solution

The third proportional to 53,424 and 83,051 is: 129,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,424 : 83,051 = 83,051 : x
  2. Step 2: Convert to fraction form
    53,424/83,051 = 83,051/x
  3. Step 3: Cross multiply
    53,424x = 83,051 × 83,051
  4. Step 4: Simplify right side
    53,424x = 6,897,468,601
  5. Step 5: Solve for x
    x = 6,897,468,601/53,424
  6. Step 6: Final answer
    x = 129,108.05

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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.