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Finding the Third Proportional to 145,116.75 and 219,864.75

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Solution

The third proportional to 145,116.75 and 219,864.75 is: 333,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116.75 : 219,864.75 = 219,864.75 : x
  2. Step 2: Convert to fraction form
    145,116.75/219,864.75 = 219,864.75/x
  3. Step 3: Cross multiply
    145,116.75x = 219,864.75 × 219,864.75
  4. Step 4: Simplify right side
    145,116.75x = 48,340,508,292.56
  5. Step 5: Solve for x
    x = 48,340,508,292.56/145,116.75
  6. Step 6: Final answer
    x = 333,114.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.