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Finding the Third Proportional to 619,449.75 and 1,371,555

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Solution

The third proportional to 619,449.75 and 1,371,555 is: 3,036,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,449.75 : 1,371,555 = 1,371,555 : x
  2. Step 2: Convert to fraction form
    619,449.75/1,371,555 = 1,371,555/x
  3. Step 3: Cross multiply
    619,449.75x = 1,371,555 × 1,371,555
  4. Step 4: Simplify right side
    619,449.75x = 1,881,163,118,025
  5. Step 5: Solve for x
    x = 1,881,163,118,025/619,449.75
  6. Step 6: Final answer
    x = 3,036,829.25

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.