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Finding the Third Proportional to 275,232 and 425,373

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Solution

The third proportional to 275,232 and 425,373 is: 657,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,232 : 425,373 = 425,373 : x
  2. Step 2: Convert to fraction form
    275,232/425,373 = 425,373/x
  3. Step 3: Cross multiply
    275,232x = 425,373 × 425,373
  4. Step 4: Simplify right side
    275,232x = 180,942,189,129
  5. Step 5: Solve for x
    x = 180,942,189,129/275,232
  6. Step 6: Final answer
    x = 657,416.98

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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.