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Finding the Third Proportional to 9,679,299 and 21,065,550

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Solution

The third proportional to 9,679,299 and 21,065,550 is: 45,846,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,299 : 21,065,550 = 21,065,550 : x
  2. Step 2: Convert to fraction form
    9,679,299/21,065,550 = 21,065,550/x
  3. Step 3: Cross multiply
    9,679,299x = 21,065,550 × 21,065,550
  4. Step 4: Simplify right side
    9,679,299x = 443,757,396,802,500
  5. Step 5: Solve for x
    x = 443,757,396,802,500/9,679,299
  6. Step 6: Final answer
    x = 45,846,026.33

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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.