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Finding the Third Proportional to 83,069 and 125,468

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Solution

The third proportional to 83,069 and 125,468 is: 189,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,069 : 125,468 = 125,468 : x
  2. Step 2: Convert to fraction form
    83,069/125,468 = 125,468/x
  3. Step 3: Cross multiply
    83,069x = 125,468 × 125,468
  4. Step 4: Simplify right side
    83,069x = 15,742,219,024
  5. Step 5: Solve for x
    x = 15,742,219,024/83,069
  6. Step 6: Final answer
    x = 189,507.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.