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Finding the Third Proportional to 141,412 and 197,807

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Solution

The third proportional to 141,412 and 197,807 is: 276,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412 : 197,807 = 197,807 : x
  2. Step 2: Convert to fraction form
    141,412/197,807 = 197,807/x
  3. Step 3: Cross multiply
    141,412x = 197,807 × 197,807
  4. Step 4: Simplify right side
    141,412x = 39,127,609,249
  5. Step 5: Solve for x
    x = 39,127,609,249/141,412
  6. Step 6: Final answer
    x = 276,692.28

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.