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Finding the Third Proportional to 8,691,606 and 13,759,686

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Solution

The third proportional to 8,691,606 and 13,759,686 is: 21,782,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,606 : 13,759,686 = 13,759,686 : x
  2. Step 2: Convert to fraction form
    8,691,606/13,759,686 = 13,759,686/x
  3. Step 3: Cross multiply
    8,691,606x = 13,759,686 × 13,759,686
  4. Step 4: Simplify right side
    8,691,606x = 189,328,958,818,596
  5. Step 5: Solve for x
    x = 189,328,958,818,596/8,691,606
  6. Step 6: Final answer
    x = 21,782,966.10

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.