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Finding the Third Proportional to 6,439,412 and 13,407,592

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Solution

The third proportional to 6,439,412 and 13,407,592 is: 27,916,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,412 : 13,407,592 = 13,407,592 : x
  2. Step 2: Convert to fraction form
    6,439,412/13,407,592 = 13,407,592/x
  3. Step 3: Cross multiply
    6,439,412x = 13,407,592 × 13,407,592
  4. Step 4: Simplify right side
    6,439,412x = 179,763,523,238,464
  5. Step 5: Solve for x
    x = 179,763,523,238,464/6,439,412
  6. Step 6: Final answer
    x = 27,916,139.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.