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Finding the Third Proportional to 36,719 and 55,423

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Solution

The third proportional to 36,719 and 55,423 is: 83,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719 : 55,423 = 55,423 : x
  2. Step 2: Convert to fraction form
    36,719/55,423 = 55,423/x
  3. Step 3: Cross multiply
    36,719x = 55,423 × 55,423
  4. Step 4: Simplify right side
    36,719x = 3,071,708,929
  5. Step 5: Solve for x
    x = 3,071,708,929/36,719
  6. Step 6: Final answer
    x = 83,654.48

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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.