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Finding the Third Proportional to 1,545.33 and 3,398.20

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Solution

The third proportional to 1,545.33 and 3,398.20 is: 7,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.33 : 3,398.20 = 3,398.20 : x
  2. Step 2: Convert to fraction form
    1,545.33/3,398.20 = 3,398.20/x
  3. Step 3: Cross multiply
    1,545.33x = 3,398.20 × 3,398.20
  4. Step 4: Simplify right side
    1,545.33x = 11,547,784.48
  5. Step 5: Solve for x
    x = 11,547,784.48/1,545.33
  6. Step 6: Final answer
    x = 7,472.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.