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Finding the Third Proportional to 55,555 and 83,813

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Solution

The third proportional to 55,555 and 83,813 is: 126,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555 : 83,813 = 83,813 : x
  2. Step 2: Convert to fraction form
    55,555/83,813 = 83,813/x
  3. Step 3: Cross multiply
    55,555x = 83,813 × 83,813
  4. Step 4: Simplify right side
    55,555x = 7,024,618,969
  5. Step 5: Solve for x
    x = 7,024,618,969/55,555
  6. Step 6: Final answer
    x = 126,444.41

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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.