Home / 86,278,872.38-121,356,996.19

Finding the Third Proportional to 86,278,872.38 and 121,356,996.19

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Solution

The third proportional to 86,278,872.38 and 121,356,996.19 is: 170,696,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,278,872.38 : 121,356,996.19 = 121,356,996.19 : x
  2. Step 2: Convert to fraction form
    86,278,872.38/121,356,996.19 = 121,356,996.19/x
  3. Step 3: Cross multiply
    86,278,872.38x = 121,356,996.19 × 121,356,996.19
  4. Step 4: Simplify right side
    86,278,872.38x = 14,727,520,523,652,890
  5. Step 5: Solve for x
    x = 14,727,520,523,652,890/86,278,872.38
  6. Step 6: Final answer
    x = 170,696,720.05

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.