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Finding the Third Proportional to 6,947,900 and 15,309,356

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Solution

The third proportional to 6,947,900 and 15,309,356 is: 33,733,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947,900 : 15,309,356 = 15,309,356 : x
  2. Step 2: Convert to fraction form
    6,947,900/15,309,356 = 15,309,356/x
  3. Step 3: Cross multiply
    6,947,900x = 15,309,356 × 15,309,356
  4. Step 4: Simplify right side
    6,947,900x = 234,376,381,134,736
  5. Step 5: Solve for x
    x = 234,376,381,134,736/6,947,900
  6. Step 6: Final answer
    x = 33,733,413.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.