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Finding the Third Proportional to 767,379.38 and 1,278,887.06

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Solution

The third proportional to 767,379.38 and 1,278,887.06 is: 2,131,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,379.38 : 1,278,887.06 = 1,278,887.06 : x
  2. Step 2: Convert to fraction form
    767,379.38/1,278,887.06 = 1,278,887.06/x
  3. Step 3: Cross multiply
    767,379.38x = 1,278,887.06 × 1,278,887.06
  4. Step 4: Simplify right side
    767,379.38x = 1,635,552,118,629.88
  5. Step 5: Solve for x
    x = 1,635,552,118,629.88/767,379.38
  6. Step 6: Final answer
    x = 2,131,347.51

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.