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Finding the Third Proportional to 5,280.19 and 11,436.19

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Solution

The third proportional to 5,280.19 and 11,436.19 is: 24,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.19 : 11,436.19 = 11,436.19 : x
  2. Step 2: Convert to fraction form
    5,280.19/11,436.19 = 11,436.19/x
  3. Step 3: Cross multiply
    5,280.19x = 11,436.19 × 11,436.19
  4. Step 4: Simplify right side
    5,280.19x = 130,786,384.54
  5. Step 5: Solve for x
    x = 130,786,384.54/5,280.19
  6. Step 6: Final answer
    x = 24,769.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.