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Finding the Third Proportional to 18,403 and 29,153

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Solution

The third proportional to 18,403 and 29,153 is: 46,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403 : 29,153 = 29,153 : x
  2. Step 2: Convert to fraction form
    18,403/29,153 = 29,153/x
  3. Step 3: Cross multiply
    18,403x = 29,153 × 29,153
  4. Step 4: Simplify right side
    18,403x = 849,897,409
  5. Step 5: Solve for x
    x = 849,897,409/18,403
  6. Step 6: Final answer
    x = 46,182.55

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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.