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Finding the Third Proportional to 64,902 and 97,878

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Solution

The third proportional to 64,902 and 97,878 is: 147,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902 : 97,878 = 97,878 : x
  2. Step 2: Convert to fraction form
    64,902/97,878 = 97,878/x
  3. Step 3: Cross multiply
    64,902x = 97,878 × 97,878
  4. Step 4: Simplify right side
    64,902x = 9,580,102,884
  5. Step 5: Solve for x
    x = 9,580,102,884/64,902
  6. Step 6: Final answer
    x = 147,608.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.