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Finding the Third Proportional to 5,261,278 and 11,474,711

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Solution

The third proportional to 5,261,278 and 11,474,711 is: 25,026,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,278 : 11,474,711 = 11,474,711 : x
  2. Step 2: Convert to fraction form
    5,261,278/11,474,711 = 11,474,711/x
  3. Step 3: Cross multiply
    5,261,278x = 11,474,711 × 11,474,711
  4. Step 4: Simplify right side
    5,261,278x = 131,668,992,533,521
  5. Step 5: Solve for x
    x = 131,668,992,533,521/5,261,278
  6. Step 6: Final answer
    x = 25,026,047.38

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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.