Home / 143,078,599.69-309,926,760.75

Finding the Third Proportional to 143,078,599.69 and 309,926,760.75

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Solution

The third proportional to 143,078,599.69 and 309,926,760.75 is: 671,341,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,078,599.69 : 309,926,760.75 = 309,926,760.75 : x
  2. Step 2: Convert to fraction form
    143,078,599.69/309,926,760.75 = 309,926,760.75/x
  3. Step 3: Cross multiply
    143,078,599.69x = 309,926,760.75 × 309,926,760.75
  4. Step 4: Simplify right side
    143,078,599.69x = 96,054,597,028,987,744
  5. Step 5: Solve for x
    x = 96,054,597,028,987,744/143,078,599.69
  6. Step 6: Final answer
    x = 671,341,467.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.