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Finding the Third Proportional to 6,931,520 and 15,456,812

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Solution

The third proportional to 6,931,520 and 15,456,812 is: 34,467,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,520 : 15,456,812 = 15,456,812 : x
  2. Step 2: Convert to fraction form
    6,931,520/15,456,812 = 15,456,812/x
  3. Step 3: Cross multiply
    6,931,520x = 15,456,812 × 15,456,812
  4. Step 4: Simplify right side
    6,931,520x = 238,913,037,203,344
  5. Step 5: Solve for x
    x = 238,913,037,203,344/6,931,520
  6. Step 6: Final answer
    x = 34,467,625.74

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.