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Finding the Third Proportional to 391,993.88 and 575,034.75

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Solution

The third proportional to 391,993.88 and 575,034.75 is: 843,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,993.88 : 575,034.75 = 575,034.75 : x
  2. Step 2: Convert to fraction form
    391,993.88/575,034.75 = 575,034.75/x
  3. Step 3: Cross multiply
    391,993.88x = 575,034.75 × 575,034.75
  4. Step 4: Simplify right side
    391,993.88x = 330,664,963,707.56
  5. Step 5: Solve for x
    x = 330,664,963,707.56/391,993.88
  6. Step 6: Final answer
    x = 843,546.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.