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Finding the Third Proportional to 69,619,890 and 150,810,468

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Solution

The third proportional to 69,619,890 and 150,810,468 is: 326,685,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619,890 : 150,810,468 = 150,810,468 : x
  2. Step 2: Convert to fraction form
    69,619,890/150,810,468 = 150,810,468/x
  3. Step 3: Cross multiply
    69,619,890x = 150,810,468 × 150,810,468
  4. Step 4: Simplify right side
    69,619,890x = 22,743,797,258,379,024
  5. Step 5: Solve for x
    x = 22,743,797,258,379,024/69,619,890
  6. Step 6: Final answer
    x = 326,685,337.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.