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Finding the Third Proportional to 4,138,648 and 6,385,168

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Solution

The third proportional to 4,138,648 and 6,385,168 is: 9,851,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,648 : 6,385,168 = 6,385,168 : x
  2. Step 2: Convert to fraction form
    4,138,648/6,385,168 = 6,385,168/x
  3. Step 3: Cross multiply
    4,138,648x = 6,385,168 × 6,385,168
  4. Step 4: Simplify right side
    4,138,648x = 40,770,370,388,224
  5. Step 5: Solve for x
    x = 40,770,370,388,224/4,138,648
  6. Step 6: Final answer
    x = 9,851,132.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.