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Finding the Third Proportional to 260,692 and 571,216

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Solution

The third proportional to 260,692 and 571,216 is: 1,251,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,692 : 571,216 = 571,216 : x
  2. Step 2: Convert to fraction form
    260,692/571,216 = 571,216/x
  3. Step 3: Cross multiply
    260,692x = 571,216 × 571,216
  4. Step 4: Simplify right side
    260,692x = 326,287,718,656
  5. Step 5: Solve for x
    x = 326,287,718,656/260,692
  6. Step 6: Final answer
    x = 1,251,621.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.