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Finding the Third Proportional to 64,062,672 and 138,203,040

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Solution

The third proportional to 64,062,672 and 138,203,040 is: 298,146,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062,672 : 138,203,040 = 138,203,040 : x
  2. Step 2: Convert to fraction form
    64,062,672/138,203,040 = 138,203,040/x
  3. Step 3: Cross multiply
    64,062,672x = 138,203,040 × 138,203,040
  4. Step 4: Simplify right side
    64,062,672x = 19,100,080,265,241,600
  5. Step 5: Solve for x
    x = 19,100,080,265,241,600/64,062,672
  6. Step 6: Final answer
    x = 298,146,793.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.