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Finding the Third Proportional to 18,884 and 29,140

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Solution

The third proportional to 18,884 and 29,140 is: 44,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884 : 29,140 = 29,140 : x
  2. Step 2: Convert to fraction form
    18,884/29,140 = 29,140/x
  3. Step 3: Cross multiply
    18,884x = 29,140 × 29,140
  4. Step 4: Simplify right side
    18,884x = 849,139,600
  5. Step 5: Solve for x
    x = 849,139,600/18,884
  6. Step 6: Final answer
    x = 44,966.09

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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.