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Finding the Third Proportional to 3,860,393.34 and 8,319,123.56

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Solution

The third proportional to 3,860,393.34 and 8,319,123.56 is: 17,927,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,393.34 : 8,319,123.56 = 8,319,123.56 : x
  2. Step 2: Convert to fraction form
    3,860,393.34/8,319,123.56 = 8,319,123.56/x
  3. Step 3: Cross multiply
    3,860,393.34x = 8,319,123.56 × 8,319,123.56
  4. Step 4: Simplify right side
    3,860,393.34x = 69,207,816,848,142.69
  5. Step 5: Solve for x
    x = 69,207,816,848,142.69/3,860,393.34
  6. Step 6: Final answer
    x = 17,927,659.36

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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.