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Finding the Third Proportional to 3,511,881.56 and 7,660,256.06

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Solution

The third proportional to 3,511,881.56 and 7,660,256.06 is: 16,708,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,881.56 : 7,660,256.06 = 7,660,256.06 : x
  2. Step 2: Convert to fraction form
    3,511,881.56/7,660,256.06 = 7,660,256.06/x
  3. Step 3: Cross multiply
    3,511,881.56x = 7,660,256.06 × 7,660,256.06
  4. Step 4: Simplify right side
    3,511,881.56x = 58,679,522,943,068
  5. Step 5: Solve for x
    x = 58,679,522,943,068/3,511,881.56
  6. Step 6: Final answer
    x = 16,708,855.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.