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Finding the Third Proportional to 1,772,472.38 and 3,865,750.31

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Solution

The third proportional to 1,772,472.38 and 3,865,750.31 is: 8,431,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,472.38 : 3,865,750.31 = 3,865,750.31 : x
  2. Step 2: Convert to fraction form
    1,772,472.38/3,865,750.31 = 3,865,750.31/x
  3. Step 3: Cross multiply
    1,772,472.38x = 3,865,750.31 × 3,865,750.31
  4. Step 4: Simplify right side
    1,772,472.38x = 14,944,025,478,593.85
  5. Step 5: Solve for x
    x = 14,944,025,478,593.85/1,772,472.38
  6. Step 6: Final answer
    x = 8,431,175.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.