Home / 10,013,145.75-20,557,114.88

Finding the Third Proportional to 10,013,145.75 and 20,557,114.88

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Solution

The third proportional to 10,013,145.75 and 20,557,114.88 is: 42,204,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,145.75 : 20,557,114.88 = 20,557,114.88 : x
  2. Step 2: Convert to fraction form
    10,013,145.75/20,557,114.88 = 20,557,114.88/x
  3. Step 3: Cross multiply
    10,013,145.75x = 20,557,114.88 × 20,557,114.88
  4. Step 4: Simplify right side
    10,013,145.75x = 422,594,971,983,946.25
  5. Step 5: Solve for x
    x = 422,594,971,983,946.25/10,013,145.75
  6. Step 6: Final answer
    x = 42,204,016.85

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.