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Finding the Third Proportional to 3,153,612 and 6,917,634

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Solution

The third proportional to 3,153,612 and 6,917,634 is: 15,174,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,612 : 6,917,634 = 6,917,634 : x
  2. Step 2: Convert to fraction form
    3,153,612/6,917,634 = 6,917,634/x
  3. Step 3: Cross multiply
    3,153,612x = 6,917,634 × 6,917,634
  4. Step 4: Simplify right side
    3,153,612x = 47,853,660,157,956
  5. Step 5: Solve for x
    x = 47,853,660,157,956/3,153,612
  6. Step 6: Final answer
    x = 15,174,238.35

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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.