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Finding the Third Proportional to 27,595 and 42,719

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Solution

The third proportional to 27,595 and 42,719 is: 66,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595 : 42,719 = 42,719 : x
  2. Step 2: Convert to fraction form
    27,595/42,719 = 42,719/x
  3. Step 3: Cross multiply
    27,595x = 42,719 × 42,719
  4. Step 4: Simplify right side
    27,595x = 1,824,912,961
  5. Step 5: Solve for x
    x = 1,824,912,961/27,595
  6. Step 6: Final answer
    x = 66,132.02

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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.