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Finding the Third Proportional to 118,108.13 and 255,899.25

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Solution

The third proportional to 118,108.13 and 255,899.25 is: 554,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,108.13 : 255,899.25 = 255,899.25 : x
  2. Step 2: Convert to fraction form
    118,108.13/255,899.25 = 255,899.25/x
  3. Step 3: Cross multiply
    118,108.13x = 255,899.25 × 255,899.25
  4. Step 4: Simplify right side
    118,108.13x = 65,484,426,150.56
  5. Step 5: Solve for x
    x = 65,484,426,150.56/118,108.13
  6. Step 6: Final answer
    x = 554,444.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.