Home / 138,610,185.75-207,483,481.13

Finding the Third Proportional to 138,610,185.75 and 207,483,481.13

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Solution

The third proportional to 138,610,185.75 and 207,483,481.13 is: 310,578,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,610,185.75 : 207,483,481.13 = 207,483,481.13 : x
  2. Step 2: Convert to fraction form
    138,610,185.75/207,483,481.13 = 207,483,481.13/x
  3. Step 3: Cross multiply
    138,610,185.75x = 207,483,481.13 × 207,483,481.13
  4. Step 4: Simplify right side
    138,610,185.75x = 43,049,394,939,748,232
  5. Step 5: Solve for x
    x = 43,049,394,939,748,232/138,610,185.75
  6. Step 6: Final answer
    x = 310,578,870.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.