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Finding the Third Proportional to 8,203,544 and 12,735,276

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Solution

The third proportional to 8,203,544 and 12,735,276 is: 19,770,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,544 : 12,735,276 = 12,735,276 : x
  2. Step 2: Convert to fraction form
    8,203,544/12,735,276 = 12,735,276/x
  3. Step 3: Cross multiply
    8,203,544x = 12,735,276 × 12,735,276
  4. Step 4: Simplify right side
    8,203,544x = 162,187,254,796,176
  5. Step 5: Solve for x
    x = 162,187,254,796,176/8,203,544
  6. Step 6: Final answer
    x = 19,770,388.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.