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Finding the Third Proportional to 1,766,472.75 and 3,881,314.13

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Solution

The third proportional to 1,766,472.75 and 3,881,314.13 is: 8,528,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,472.75 : 3,881,314.13 = 3,881,314.13 : x
  2. Step 2: Convert to fraction form
    1,766,472.75/3,881,314.13 = 3,881,314.13/x
  3. Step 3: Cross multiply
    1,766,472.75x = 3,881,314.13 × 3,881,314.13
  4. Step 4: Simplify right side
    1,766,472.75x = 15,064,599,336,924.52
  5. Step 5: Solve for x
    x = 15,064,599,336,924.52/1,766,472.75
  6. Step 6: Final answer
    x = 8,528,067.78

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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.