Home / 12,015,934.88-18,617,617.13

Finding the Third Proportional to 12,015,934.88 and 18,617,617.13

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Solution

The third proportional to 12,015,934.88 and 18,617,617.13 is: 28,846,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,934.88 : 18,617,617.13 = 18,617,617.13 : x
  2. Step 2: Convert to fraction form
    12,015,934.88/18,617,617.13 = 18,617,617.13/x
  3. Step 3: Cross multiply
    12,015,934.88x = 18,617,617.13 × 18,617,617.13
  4. Step 4: Simplify right side
    12,015,934.88x = 346,615,667,413,093.25
  5. Step 5: Solve for x
    x = 346,615,667,413,093.25/12,015,934.88
  6. Step 6: Final answer
    x = 28,846,333.72

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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.