Home / 12,015,901.13-18,617,566.50

Finding the Third Proportional to 12,015,901.13 and 18,617,566.50

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Solution

The third proportional to 12,015,901.13 and 18,617,566.50 is: 28,846,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,901.13 : 18,617,566.50 = 18,617,566.50 : x
  2. Step 2: Convert to fraction form
    12,015,901.13/18,617,566.50 = 18,617,566.50/x
  3. Step 3: Cross multiply
    12,015,901.13x = 18,617,566.50 × 18,617,566.50
  4. Step 4: Simplify right side
    12,015,901.13x = 346,613,782,381,922.25
  5. Step 5: Solve for x
    x = 346,613,782,381,922.25/12,015,901.13
  6. Step 6: Final answer
    x = 28,846,257.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.