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Finding the Third Proportional to 18,658 and 29,543

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Solution

The third proportional to 18,658 and 29,543 is: 46,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658 : 29,543 = 29,543 : x
  2. Step 2: Convert to fraction form
    18,658/29,543 = 29,543/x
  3. Step 3: Cross multiply
    18,658x = 29,543 × 29,543
  4. Step 4: Simplify right side
    18,658x = 872,788,849
  5. Step 5: Solve for x
    x = 872,788,849/18,658
  6. Step 6: Final answer
    x = 46,778.26

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.