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Finding the Third Proportional to 15,808 and 25,160

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Solution

The third proportional to 15,808 and 25,160 is: 40,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808 : 25,160 = 25,160 : x
  2. Step 2: Convert to fraction form
    15,808/25,160 = 25,160/x
  3. Step 3: Cross multiply
    15,808x = 25,160 × 25,160
  4. Step 4: Simplify right side
    15,808x = 633,025,600
  5. Step 5: Solve for x
    x = 633,025,600/15,808
  6. Step 6: Final answer
    x = 40,044.64

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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.