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Finding the Third Proportional to 5,174,431 and 11,254,889

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Solution

The third proportional to 5,174,431 and 11,254,889 is: 24,480,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,431 : 11,254,889 = 11,254,889 : x
  2. Step 2: Convert to fraction form
    5,174,431/11,254,889 = 11,254,889/x
  3. Step 3: Cross multiply
    5,174,431x = 11,254,889 × 11,254,889
  4. Step 4: Simplify right side
    5,174,431x = 126,672,526,402,321
  5. Step 5: Solve for x
    x = 126,672,526,402,321/5,174,431
  6. Step 6: Final answer
    x = 24,480,474.55

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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.