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Finding the Third Proportional to 10,782 and 22,617

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Solution

The third proportional to 10,782 and 22,617 is: 47,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782 : 22,617 = 22,617 : x
  2. Step 2: Convert to fraction form
    10,782/22,617 = 22,617/x
  3. Step 3: Cross multiply
    10,782x = 22,617 × 22,617
  4. Step 4: Simplify right side
    10,782x = 511,528,689
  5. Step 5: Solve for x
    x = 511,528,689/10,782
  6. Step 6: Final answer
    x = 47,442.84

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.