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Finding the Third Proportional to 294,782 and 631,617

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Solution

The third proportional to 294,782 and 631,617 is: 1,353,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,782 : 631,617 = 631,617 : x
  2. Step 2: Convert to fraction form
    294,782/631,617 = 631,617/x
  3. Step 3: Cross multiply
    294,782x = 631,617 × 631,617
  4. Step 4: Simplify right side
    294,782x = 398,940,034,689
  5. Step 5: Solve for x
    x = 398,940,034,689/294,782
  6. Step 6: Final answer
    x = 1,353,339.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.