Home / 12,568,429.50-19,218,135.75

Finding the Third Proportional to 12,568,429.50 and 19,218,135.75

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Solution

The third proportional to 12,568,429.50 and 19,218,135.75 is: 29,386,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,429.50 : 19,218,135.75 = 19,218,135.75 : x
  2. Step 2: Convert to fraction form
    12,568,429.50/19,218,135.75 = 19,218,135.75/x
  3. Step 3: Cross multiply
    12,568,429.50x = 19,218,135.75 × 19,218,135.75
  4. Step 4: Simplify right side
    12,568,429.50x = 369,336,741,705,428.06
  5. Step 5: Solve for x
    x = 369,336,741,705,428.06/12,568,429.50
  6. Step 6: Final answer
    x = 29,386,069.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.