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Finding the Third Proportional to 25,287.19 and 40,186.13

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Solution

The third proportional to 25,287.19 and 40,186.13 is: 63,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.19 : 40,186.13 = 40,186.13 : x
  2. Step 2: Convert to fraction form
    25,287.19/40,186.13 = 40,186.13/x
  3. Step 3: Cross multiply
    25,287.19x = 40,186.13 × 40,186.13
  4. Step 4: Simplify right side
    25,287.19x = 1,614,924,642.52
  5. Step 5: Solve for x
    x = 1,614,924,642.52/25,287.19
  6. Step 6: Final answer
    x = 63,863.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.