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Finding the Third Proportional to 15,852 and 34,572

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Solution

The third proportional to 15,852 and 34,572 is: 75,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852 : 34,572 = 34,572 : x
  2. Step 2: Convert to fraction form
    15,852/34,572 = 34,572/x
  3. Step 3: Cross multiply
    15,852x = 34,572 × 34,572
  4. Step 4: Simplify right side
    15,852x = 1,195,223,184
  5. Step 5: Solve for x
    x = 1,195,223,184/15,852
  6. Step 6: Final answer
    x = 75,398.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.