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Finding the Third Proportional to 10,989 and 22,757

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Solution

The third proportional to 10,989 and 22,757 is: 47,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989 : 22,757 = 22,757 : x
  2. Step 2: Convert to fraction form
    10,989/22,757 = 22,757/x
  3. Step 3: Cross multiply
    10,989x = 22,757 × 22,757
  4. Step 4: Simplify right side
    10,989x = 517,881,049
  5. Step 5: Solve for x
    x = 517,881,049/10,989
  6. Step 6: Final answer
    x = 47,127.22

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.