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Finding the Third Proportional to 862,452 and 1,329,660

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Solution

The third proportional to 862,452 and 1,329,660 is: 2,049,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,452 : 1,329,660 = 1,329,660 : x
  2. Step 2: Convert to fraction form
    862,452/1,329,660 = 1,329,660/x
  3. Step 3: Cross multiply
    862,452x = 1,329,660 × 1,329,660
  4. Step 4: Simplify right side
    862,452x = 1,767,995,715,600
  5. Step 5: Solve for x
    x = 1,767,995,715,600/862,452
  6. Step 6: Final answer
    x = 2,049,964.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.