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Finding the Third Proportional to 1,725 and 3,681

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Solution

The third proportional to 1,725 and 3,681 is: 7,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725 : 3,681 = 3,681 : x
  2. Step 2: Convert to fraction form
    1,725/3,681 = 3,681/x
  3. Step 3: Cross multiply
    1,725x = 3,681 × 3,681
  4. Step 4: Simplify right side
    1,725x = 13,549,761
  5. Step 5: Solve for x
    x = 13,549,761/1,725
  6. Step 6: Final answer
    x = 7,854.93

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.