Home / 31,001,066.72-66,740,815.69

Finding the Third Proportional to 31,001,066.72 and 66,740,815.69

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Solution

The third proportional to 31,001,066.72 and 66,740,815.69 is: 143,683,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001,066.72 : 66,740,815.69 = 66,740,815.69 : x
  2. Step 2: Convert to fraction form
    31,001,066.72/66,740,815.69 = 66,740,815.69/x
  3. Step 3: Cross multiply
    31,001,066.72x = 66,740,815.69 × 66,740,815.69
  4. Step 4: Simplify right side
    31,001,066.72x = 4,454,336,478,632,846
  5. Step 5: Solve for x
    x = 4,454,336,478,632,846/31,001,066.72
  6. Step 6: Final answer
    x = 143,683,329.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.