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Finding the Third Proportional to 255,157.88 and 375,355.13

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Solution

The third proportional to 255,157.88 and 375,355.13 is: 552,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,157.88 : 375,355.13 = 375,355.13 : x
  2. Step 2: Convert to fraction form
    255,157.88/375,355.13 = 375,355.13/x
  3. Step 3: Cross multiply
    255,157.88x = 375,355.13 × 375,355.13
  4. Step 4: Simplify right side
    255,157.88x = 140,891,469,863.77
  5. Step 5: Solve for x
    x = 140,891,469,863.77/255,157.88
  6. Step 6: Final answer
    x = 552,173.71

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.