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Finding the Third Proportional to 5,208,436 and 11,425,361

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Solution

The third proportional to 5,208,436 and 11,425,361 is: 25,062,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,436 : 11,425,361 = 11,425,361 : x
  2. Step 2: Convert to fraction form
    5,208,436/11,425,361 = 11,425,361/x
  3. Step 3: Cross multiply
    5,208,436x = 11,425,361 × 11,425,361
  4. Step 4: Simplify right side
    5,208,436x = 130,538,873,980,321
  5. Step 5: Solve for x
    x = 130,538,873,980,321/5,208,436
  6. Step 6: Final answer
    x = 25,062,969.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.