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Finding the Third Proportional to 119,274 and 260,220

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Solution

The third proportional to 119,274 and 260,220 is: 567,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,274 : 260,220 = 260,220 : x
  2. Step 2: Convert to fraction form
    119,274/260,220 = 260,220/x
  3. Step 3: Cross multiply
    119,274x = 260,220 × 260,220
  4. Step 4: Simplify right side
    119,274x = 67,714,448,400
  5. Step 5: Solve for x
    x = 67,714,448,400/119,274
  6. Step 6: Final answer
    x = 567,721.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.