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Finding the Third Proportional to 118,327.50 and 255,730.50

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Solution

The third proportional to 118,327.50 and 255,730.50 is: 552,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,327.50 : 255,730.50 = 255,730.50 : x
  2. Step 2: Convert to fraction form
    118,327.50/255,730.50 = 255,730.50/x
  3. Step 3: Cross multiply
    118,327.50x = 255,730.50 × 255,730.50
  4. Step 4: Simplify right side
    118,327.50x = 65,398,088,630.25
  5. Step 5: Solve for x
    x = 65,398,088,630.25/118,327.50
  6. Step 6: Final answer
    x = 552,687.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.