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Finding the Third Proportional to 19,531.13 and 25,575.75

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Solution

The third proportional to 19,531.13 and 25,575.75 is: 33,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.13 : 25,575.75 = 25,575.75 : x
  2. Step 2: Convert to fraction form
    19,531.13/25,575.75 = 25,575.75/x
  3. Step 3: Cross multiply
    19,531.13x = 25,575.75 × 25,575.75
  4. Step 4: Simplify right side
    19,531.13x = 654,118,988.06
  5. Step 5: Solve for x
    x = 654,118,988.06/19,531.13
  6. Step 6: Final answer
    x = 33,491.11

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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.