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Finding the Third Proportional to 5,140,218.75 and 11,166,711

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Solution

The third proportional to 5,140,218.75 and 11,166,711 is: 24,258,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,218.75 : 11,166,711 = 11,166,711 : x
  2. Step 2: Convert to fraction form
    5,140,218.75/11,166,711 = 11,166,711/x
  3. Step 3: Cross multiply
    5,140,218.75x = 11,166,711 × 11,166,711
  4. Step 4: Simplify right side
    5,140,218.75x = 124,695,434,557,521
  5. Step 5: Solve for x
    x = 124,695,434,557,521/5,140,218.75
  6. Step 6: Final answer
    x = 24,258,779.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.