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Finding the Third Proportional to 328,342.50 and 471,777.75

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Solution

The third proportional to 328,342.50 and 471,777.75 is: 677,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,342.50 : 471,777.75 = 471,777.75 : x
  2. Step 2: Convert to fraction form
    328,342.50/471,777.75 = 471,777.75/x
  3. Step 3: Cross multiply
    328,342.50x = 471,777.75 × 471,777.75
  4. Step 4: Simplify right side
    328,342.50x = 222,574,245,395.06
  5. Step 5: Solve for x
    x = 222,574,245,395.06/328,342.50
  6. Step 6: Final answer
    x = 677,872.18

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.