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Finding the Third Proportional to 372,713.63 and 818,647.88

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Solution

The third proportional to 372,713.63 and 818,647.88 is: 1,798,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,713.63 : 818,647.88 = 818,647.88 : x
  2. Step 2: Convert to fraction form
    372,713.63/818,647.88 = 818,647.88/x
  3. Step 3: Cross multiply
    372,713.63x = 818,647.88 × 818,647.88
  4. Step 4: Simplify right side
    372,713.63x = 670,184,343,242.02
  5. Step 5: Solve for x
    x = 670,184,343,242.02/372,713.63
  6. Step 6: Final answer
    x = 1,798,121.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.