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Finding the Third Proportional to 5,231,310 and 11,288,172

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Solution

The third proportional to 5,231,310 and 11,288,172 is: 24,357,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231,310 : 11,288,172 = 11,288,172 : x
  2. Step 2: Convert to fraction form
    5,231,310/11,288,172 = 11,288,172/x
  3. Step 3: Cross multiply
    5,231,310x = 11,288,172 × 11,288,172
  4. Step 4: Simplify right side
    5,231,310x = 127,422,827,101,584
  5. Step 5: Solve for x
    x = 127,422,827,101,584/5,231,310
  6. Step 6: Final answer
    x = 24,357,728.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.