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Finding the Third Proportional to 22,159 and 47,840

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Solution

The third proportional to 22,159 and 47,840 is: 103,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159 : 47,840 = 47,840 : x
  2. Step 2: Convert to fraction form
    22,159/47,840 = 47,840/x
  3. Step 3: Cross multiply
    22,159x = 47,840 × 47,840
  4. Step 4: Simplify right side
    22,159x = 2,288,665,600
  5. Step 5: Solve for x
    x = 2,288,665,600/22,159
  6. Step 6: Final answer
    x = 103,283.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.