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Finding the Third Proportional to 15,168 and 20,088

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Solution

The third proportional to 15,168 and 20,088 is: 26,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168 : 20,088 = 20,088 : x
  2. Step 2: Convert to fraction form
    15,168/20,088 = 20,088/x
  3. Step 3: Cross multiply
    15,168x = 20,088 × 20,088
  4. Step 4: Simplify right side
    15,168x = 403,527,744
  5. Step 5: Solve for x
    x = 403,527,744/15,168
  6. Step 6: Final answer
    x = 26,603.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.