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Finding the Third Proportional to 372,507 and 804,561

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Solution

The third proportional to 372,507 and 804,561 is: 1,737,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,507 : 804,561 = 804,561 : x
  2. Step 2: Convert to fraction form
    372,507/804,561 = 804,561/x
  3. Step 3: Cross multiply
    372,507x = 804,561 × 804,561
  4. Step 4: Simplify right side
    372,507x = 647,318,402,721
  5. Step 5: Solve for x
    x = 647,318,402,721/372,507
  6. Step 6: Final answer
    x = 1,737,734.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.