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Finding the Third Proportional to 119,460.25 and 256,630.50

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Solution

The third proportional to 119,460.25 and 256,630.50 is: 551,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,460.25 : 256,630.50 = 256,630.50 : x
  2. Step 2: Convert to fraction form
    119,460.25/256,630.50 = 256,630.50/x
  3. Step 3: Cross multiply
    119,460.25x = 256,630.50 × 256,630.50
  4. Step 4: Simplify right side
    119,460.25x = 65,859,213,530.25
  5. Step 5: Solve for x
    x = 65,859,213,530.25/119,460.25
  6. Step 6: Final answer
    x = 551,306.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.