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Finding the Third Proportional to 5,505.47 and 8,501.20

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Solution

The third proportional to 5,505.47 and 8,501.20 is: 13,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.47 : 8,501.20 = 8,501.20 : x
  2. Step 2: Convert to fraction form
    5,505.47/8,501.20 = 8,501.20/x
  3. Step 3: Cross multiply
    5,505.47x = 8,501.20 × 8,501.20
  4. Step 4: Simplify right side
    5,505.47x = 72,270,454.57
  5. Step 5: Solve for x
    x = 72,270,454.57/5,505.47
  6. Step 6: Final answer
    x = 13,127.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.