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Finding the Third Proportional to 118,918.13 and 255,970.13

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Solution

The third proportional to 118,918.13 and 255,970.13 is: 550,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,918.13 : 255,970.13 = 255,970.13 : x
  2. Step 2: Convert to fraction form
    118,918.13/255,970.13 = 255,970.13/x
  3. Step 3: Cross multiply
    118,918.13x = 255,970.13 × 255,970.13
  4. Step 4: Simplify right side
    118,918.13x = 65,520,704,892.52
  5. Step 5: Solve for x
    x = 65,520,704,892.52/118,918.13
  6. Step 6: Final answer
    x = 550,973.24

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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.