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Finding the Third Proportional to 4,425 and 9,681

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Solution

The third proportional to 4,425 and 9,681 is: 21,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425 : 9,681 = 9,681 : x
  2. Step 2: Convert to fraction form
    4,425/9,681 = 9,681/x
  3. Step 3: Cross multiply
    4,425x = 9,681 × 9,681
  4. Step 4: Simplify right side
    4,425x = 93,721,761
  5. Step 5: Solve for x
    x = 93,721,761/4,425
  6. Step 6: Final answer
    x = 21,180.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.