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Finding the Third Proportional to 16,999.13 and 26,291.63

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Solution

The third proportional to 16,999.13 and 26,291.63 is: 40,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.13 : 26,291.63 = 26,291.63 : x
  2. Step 2: Convert to fraction form
    16,999.13/26,291.63 = 26,291.63/x
  3. Step 3: Cross multiply
    16,999.13x = 26,291.63 × 26,291.63
  4. Step 4: Simplify right side
    16,999.13x = 691,249,545.14
  5. Step 5: Solve for x
    x = 691,249,545.14/16,999.13
  6. Step 6: Final answer
    x = 40,663.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.