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Finding the Third Proportional to 68,984,726 and 150,216,660

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Solution

The third proportional to 68,984,726 and 150,216,660 is: 327,102,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984,726 : 150,216,660 = 150,216,660 : x
  2. Step 2: Convert to fraction form
    68,984,726/150,216,660 = 150,216,660/x
  3. Step 3: Cross multiply
    68,984,726x = 150,216,660 × 150,216,660
  4. Step 4: Simplify right side
    68,984,726x = 22,565,044,941,555,600
  5. Step 5: Solve for x
    x = 22,565,044,941,555,600/68,984,726
  6. Step 6: Final answer
    x = 327,102,044.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.