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Finding the Third Proportional to 60,319.13 and 79,319.25

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Solution

The third proportional to 60,319.13 and 79,319.25 is: 104,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,319.13 : 79,319.25 = 79,319.25 : x
  2. Step 2: Convert to fraction form
    60,319.13/79,319.25 = 79,319.25/x
  3. Step 3: Cross multiply
    60,319.13x = 79,319.25 × 79,319.25
  4. Step 4: Simplify right side
    60,319.13x = 6,291,543,420.56
  5. Step 5: Solve for x
    x = 6,291,543,420.56/60,319.13
  6. Step 6: Final answer
    x = 104,304.29

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.