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Finding the Third Proportional to 3,545.02 and 7,555.78

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Solution

The third proportional to 3,545.02 and 7,555.78 is: 16,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.02 : 7,555.78 = 7,555.78 : x
  2. Step 2: Convert to fraction form
    3,545.02/7,555.78 = 7,555.78/x
  3. Step 3: Cross multiply
    3,545.02x = 7,555.78 × 7,555.78
  4. Step 4: Simplify right side
    3,545.02x = 57,089,830.30
  5. Step 5: Solve for x
    x = 57,089,830.30/3,545.02
  6. Step 6: Final answer
    x = 16,104.25

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.