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Finding the Third Proportional to 317,262 and 467,120

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Solution

The third proportional to 317,262 and 467,120 is: 687,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,262 : 467,120 = 467,120 : x
  2. Step 2: Convert to fraction form
    317,262/467,120 = 467,120/x
  3. Step 3: Cross multiply
    317,262x = 467,120 × 467,120
  4. Step 4: Simplify right side
    317,262x = 218,201,094,400
  5. Step 5: Solve for x
    x = 218,201,094,400/317,262
  6. Step 6: Final answer
    x = 687,763.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.