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Finding the Third Proportional to 3,839,761.31 and 8,249,352.56

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Solution

The third proportional to 3,839,761.31 and 8,249,352.56 is: 17,722,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,761.31 : 8,249,352.56 = 8,249,352.56 : x
  2. Step 2: Convert to fraction form
    3,839,761.31/8,249,352.56 = 8,249,352.56/x
  3. Step 3: Cross multiply
    3,839,761.31x = 8,249,352.56 × 8,249,352.56
  4. Step 4: Simplify right side
    3,839,761.31x = 68,051,817,700,425.31
  5. Step 5: Solve for x
    x = 68,051,817,700,425.31/3,839,761.31
  6. Step 6: Final answer
    x = 17,722,929.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.