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Finding the Third Proportional to 255,155.25 and 375,351

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Solution

The third proportional to 255,155.25 and 375,351 is: 552,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,155.25 : 375,351 = 375,351 : x
  2. Step 2: Convert to fraction form
    255,155.25/375,351 = 375,351/x
  3. Step 3: Cross multiply
    255,155.25x = 375,351 × 375,351
  4. Step 4: Simplify right side
    255,155.25x = 140,888,373,201
  5. Step 5: Solve for x
    x = 140,888,373,201/255,155.25
  6. Step 6: Final answer
    x = 552,167.25

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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.