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Finding the Third Proportional to 2,891,607 and 4,491,840.75

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Solution

The third proportional to 2,891,607 and 4,491,840.75 is: 6,977,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,607 : 4,491,840.75 = 4,491,840.75 : x
  2. Step 2: Convert to fraction form
    2,891,607/4,491,840.75 = 4,491,840.75/x
  3. Step 3: Cross multiply
    2,891,607x = 4,491,840.75 × 4,491,840.75
  4. Step 4: Simplify right side
    2,891,607x = 20,176,633,323,360.56
  5. Step 5: Solve for x
    x = 20,176,633,323,360.56/2,891,607
  6. Step 6: Final answer
    x = 6,977,654.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.