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Finding the Third Proportional to 1,288,126.13 and 1,749,402.56

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Solution

The third proportional to 1,288,126.13 and 1,749,402.56 is: 2,375,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,126.13 : 1,749,402.56 = 1,749,402.56 : x
  2. Step 2: Convert to fraction form
    1,288,126.13/1,749,402.56 = 1,749,402.56/x
  3. Step 3: Cross multiply
    1,288,126.13x = 1,749,402.56 × 1,749,402.56
  4. Step 4: Simplify right side
    1,288,126.13x = 3,060,409,325,681.57
  5. Step 5: Solve for x
    x = 3,060,409,325,681.57/1,288,126.13
  6. Step 6: Final answer
    x = 2,375,861.55

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.