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Finding the Third Proportional to 1,257,558.75 and 1,777,717.13

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Solution

The third proportional to 1,257,558.75 and 1,777,717.13 is: 2,513,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,558.75 : 1,777,717.13 = 1,777,717.13 : x
  2. Step 2: Convert to fraction form
    1,257,558.75/1,777,717.13 = 1,777,717.13/x
  3. Step 3: Cross multiply
    1,257,558.75x = 1,777,717.13 × 1,777,717.13
  4. Step 4: Simplify right side
    1,257,558.75x = 3,160,278,176,518.27
  5. Step 5: Solve for x
    x = 3,160,278,176,518.27/1,257,558.75
  6. Step 6: Final answer
    x = 2,513,026.27

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.