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Finding the Third Proportional to 12,603 and 16,726.50

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Solution

The third proportional to 12,603 and 16,726.50 is: 22,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603 : 16,726.50 = 16,726.50 : x
  2. Step 2: Convert to fraction form
    12,603/16,726.50 = 16,726.50/x
  3. Step 3: Cross multiply
    12,603x = 16,726.50 × 16,726.50
  4. Step 4: Simplify right side
    12,603x = 279,775,802.25
  5. Step 5: Solve for x
    x = 279,775,802.25/12,603
  6. Step 6: Final answer
    x = 22,199.14

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.