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Finding the Third Proportional to 141,887 and 211,599

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Solution

The third proportional to 141,887 and 211,599 is: 315,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887 : 211,599 = 211,599 : x
  2. Step 2: Convert to fraction form
    141,887/211,599 = 211,599/x
  3. Step 3: Cross multiply
    141,887x = 211,599 × 211,599
  4. Step 4: Simplify right side
    141,887x = 44,774,136,801
  5. Step 5: Solve for x
    x = 44,774,136,801/141,887
  6. Step 6: Final answer
    x = 315,561.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.