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Finding the Third Proportional to 644,367.38 and 974,692.13

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Solution

The third proportional to 644,367.38 and 974,692.13 is: 1,474,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,367.38 : 974,692.13 = 974,692.13 : x
  2. Step 2: Convert to fraction form
    644,367.38/974,692.13 = 974,692.13/x
  3. Step 3: Cross multiply
    644,367.38x = 974,692.13 × 974,692.13
  4. Step 4: Simplify right side
    644,367.38x = 950,024,738,537.02
  5. Step 5: Solve for x
    x = 950,024,738,537.02/644,367.38
  6. Step 6: Final answer
    x = 1,474,352.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.