Home / 3,515,420.25-5,310,947.25

Finding the Third Proportional to 3,515,420.25 and 5,310,947.25

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Solution

The third proportional to 3,515,420.25 and 5,310,947.25 is: 8,023,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,420.25 : 5,310,947.25 = 5,310,947.25 : x
  2. Step 2: Convert to fraction form
    3,515,420.25/5,310,947.25 = 5,310,947.25/x
  3. Step 3: Cross multiply
    3,515,420.25x = 5,310,947.25 × 5,310,947.25
  4. Step 4: Simplify right side
    3,515,420.25x = 28,206,160,692,282.56
  5. Step 5: Solve for x
    x = 28,206,160,692,282.56/3,515,420.25
  6. Step 6: Final answer
    x = 8,023,553.00

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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.