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Finding the Third Proportional to 10,988 and 16,922

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Solution

The third proportional to 10,988 and 16,922 is: 26,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988 : 16,922 = 16,922 : x
  2. Step 2: Convert to fraction form
    10,988/16,922 = 16,922/x
  3. Step 3: Cross multiply
    10,988x = 16,922 × 16,922
  4. Step 4: Simplify right side
    10,988x = 286,354,084
  5. Step 5: Solve for x
    x = 286,354,084/10,988
  6. Step 6: Final answer
    x = 26,060.62

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.