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Finding the Third Proportional to 1,503,901.69 and 3,131,734.22

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Solution

The third proportional to 1,503,901.69 and 3,131,734.22 is: 6,521,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,901.69 : 3,131,734.22 = 3,131,734.22 : x
  2. Step 2: Convert to fraction form
    1,503,901.69/3,131,734.22 = 3,131,734.22/x
  3. Step 3: Cross multiply
    1,503,901.69x = 3,131,734.22 × 3,131,734.22
  4. Step 4: Simplify right side
    1,503,901.69x = 9,807,759,216,889.67
  5. Step 5: Solve for x
    x = 9,807,759,216,889.67/1,503,901.69
  6. Step 6: Final answer
    x = 6,521,542.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.