Home / 5,515,141.50-8,239,340.25

Finding the Third Proportional to 5,515,141.50 and 8,239,340.25

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Solution

The third proportional to 5,515,141.50 and 8,239,340.25 is: 12,309,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,141.50 : 8,239,340.25 = 8,239,340.25 : x
  2. Step 2: Convert to fraction form
    5,515,141.50/8,239,340.25 = 8,239,340.25/x
  3. Step 3: Cross multiply
    5,515,141.50x = 8,239,340.25 × 8,239,340.25
  4. Step 4: Simplify right side
    5,515,141.50x = 67,886,727,755,270.06
  5. Step 5: Solve for x
    x = 67,886,727,755,270.06/5,515,141.50
  6. Step 6: Final answer
    x = 12,309,154.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.