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Finding the Third Proportional to 571,275.75 and 887,418.75

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Solution

The third proportional to 571,275.75 and 887,418.75 is: 1,378,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,275.75 : 887,418.75 = 887,418.75 : x
  2. Step 2: Convert to fraction form
    571,275.75/887,418.75 = 887,418.75/x
  3. Step 3: Cross multiply
    571,275.75x = 887,418.75 × 887,418.75
  4. Step 4: Simplify right side
    571,275.75x = 787,512,037,851.56
  5. Step 5: Solve for x
    x = 787,512,037,851.56/571,275.75
  6. Step 6: Final answer
    x = 1,378,514.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.