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Finding the Third Proportional to 145,254.75 and 198,028.13

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Solution

The third proportional to 145,254.75 and 198,028.13 is: 269,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,254.75 : 198,028.13 = 198,028.13 : x
  2. Step 2: Convert to fraction form
    145,254.75/198,028.13 = 198,028.13/x
  3. Step 3: Cross multiply
    145,254.75x = 198,028.13 × 198,028.13
  4. Step 4: Simplify right side
    145,254.75x = 39,215,138,291.02
  5. Step 5: Solve for x
    x = 39,215,138,291.02/145,254.75
  6. Step 6: Final answer
    x = 269,974.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.