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Finding the Third Proportional to 621,193.50 and 1,358,703

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Solution

The third proportional to 621,193.50 and 1,358,703 is: 2,971,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,193.50 : 1,358,703 = 1,358,703 : x
  2. Step 2: Convert to fraction form
    621,193.50/1,358,703 = 1,358,703/x
  3. Step 3: Cross multiply
    621,193.50x = 1,358,703 × 1,358,703
  4. Step 4: Simplify right side
    621,193.50x = 1,846,073,842,209
  5. Step 5: Solve for x
    x = 1,846,073,842,209/621,193.50
  6. Step 6: Final answer
    x = 2,971,817.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.