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Finding the Third Proportional to 11,443 and 15,259.50

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Solution

The third proportional to 11,443 and 15,259.50 is: 20,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443 : 15,259.50 = 15,259.50 : x
  2. Step 2: Convert to fraction form
    11,443/15,259.50 = 15,259.50/x
  3. Step 3: Cross multiply
    11,443x = 15,259.50 × 15,259.50
  4. Step 4: Simplify right side
    11,443x = 232,852,340.25
  5. Step 5: Solve for x
    x = 232,852,340.25/11,443
  6. Step 6: Final answer
    x = 20,348.89

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1.5x scale

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.