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Finding the Third Proportional to 10,988 and 24,220

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Solution

The third proportional to 10,988 and 24,220 is: 53,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988 : 24,220 = 24,220 : x
  2. Step 2: Convert to fraction form
    10,988/24,220 = 24,220/x
  3. Step 3: Cross multiply
    10,988x = 24,220 × 24,220
  4. Step 4: Simplify right side
    10,988x = 586,608,400
  5. Step 5: Solve for x
    x = 586,608,400/10,988
  6. Step 6: Final answer
    x = 53,386.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.