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Finding the Third Proportional to 913,401 and 1,391,644.50

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Solution

The third proportional to 913,401 and 1,391,644.50 is: 2,120,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,401 : 1,391,644.50 = 1,391,644.50 : x
  2. Step 2: Convert to fraction form
    913,401/1,391,644.50 = 1,391,644.50/x
  3. Step 3: Cross multiply
    913,401x = 1,391,644.50 × 1,391,644.50
  4. Step 4: Simplify right side
    913,401x = 1,936,674,414,380.25
  5. Step 5: Solve for x
    x = 1,936,674,414,380.25/913,401
  6. Step 6: Final answer
    x = 2,120,289.35

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.