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Finding the Third Proportional to 151,111 and 330,878

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Solution

The third proportional to 151,111 and 330,878 is: 724,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,111 : 330,878 = 330,878 : x
  2. Step 2: Convert to fraction form
    151,111/330,878 = 330,878/x
  3. Step 3: Cross multiply
    151,111x = 330,878 × 330,878
  4. Step 4: Simplify right side
    151,111x = 109,480,250,884
  5. Step 5: Solve for x
    x = 109,480,250,884/151,111
  6. Step 6: Final answer
    x = 724,502.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.