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Finding the Third Proportional to 753,120 and 1,655,503

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Solution

The third proportional to 753,120 and 1,655,503 is: 3,639,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,120 : 1,655,503 = 1,655,503 : x
  2. Step 2: Convert to fraction form
    753,120/1,655,503 = 1,655,503/x
  3. Step 3: Cross multiply
    753,120x = 1,655,503 × 1,655,503
  4. Step 4: Simplify right side
    753,120x = 2,740,690,183,009
  5. Step 5: Solve for x
    x = 2,740,690,183,009/753,120
  6. Step 6: Final answer
    x = 3,639,114.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.