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Finding the Third Proportional to 281,522.25 and 619,089.75

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Solution

The third proportional to 281,522.25 and 619,089.75 is: 1,361,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,522.25 : 619,089.75 = 619,089.75 : x
  2. Step 2: Convert to fraction form
    281,522.25/619,089.75 = 619,089.75/x
  3. Step 3: Cross multiply
    281,522.25x = 619,089.75 × 619,089.75
  4. Step 4: Simplify right side
    281,522.25x = 383,272,118,555.06
  5. Step 5: Solve for x
    x = 383,272,118,555.06/281,522.25
  6. Step 6: Final answer
    x = 1,361,427.45

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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.