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Finding the Third Proportional to 274,652 and 425,047

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Solution

The third proportional to 274,652 and 425,047 is: 657,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,652 : 425,047 = 425,047 : x
  2. Step 2: Convert to fraction form
    274,652/425,047 = 425,047/x
  3. Step 3: Cross multiply
    274,652x = 425,047 × 425,047
  4. Step 4: Simplify right side
    274,652x = 180,664,952,209
  5. Step 5: Solve for x
    x = 180,664,952,209/274,652
  6. Step 6: Final answer
    x = 657,795.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.