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Finding the Third Proportional to 187,775 and 417,535

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Solution

The third proportional to 187,775 and 417,535 is: 928,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,775 : 417,535 = 417,535 : x
  2. Step 2: Convert to fraction form
    187,775/417,535 = 417,535/x
  3. Step 3: Cross multiply
    187,775x = 417,535 × 417,535
  4. Step 4: Simplify right side
    187,775x = 174,335,476,225
  5. Step 5: Solve for x
    x = 174,335,476,225/187,775
  6. Step 6: Final answer
    x = 928,427.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.