Home / 13,137,207.75-20,919,961.13

Finding the Third Proportional to 13,137,207.75 and 20,919,961.13

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Solution

The third proportional to 13,137,207.75 and 20,919,961.13 is: 33,313,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,207.75 : 20,919,961.13 = 20,919,961.13 : x
  2. Step 2: Convert to fraction form
    13,137,207.75/20,919,961.13 = 20,919,961.13/x
  3. Step 3: Cross multiply
    13,137,207.75x = 20,919,961.13 × 20,919,961.13
  4. Step 4: Simplify right side
    13,137,207.75x = 437,644,773,471,511.25
  5. Step 5: Solve for x
    x = 437,644,773,471,511.25/13,137,207.75
  6. Step 6: Final answer
    x = 33,313,378.44

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.