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Finding the Third Proportional to 141,914 and 211,641

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Solution

The third proportional to 141,914 and 211,641 is: 315,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914 : 211,641 = 211,641 : x
  2. Step 2: Convert to fraction form
    141,914/211,641 = 211,641/x
  3. Step 3: Cross multiply
    141,914x = 211,641 × 211,641
  4. Step 4: Simplify right side
    141,914x = 44,791,912,881
  5. Step 5: Solve for x
    x = 44,791,912,881/141,914
  6. Step 6: Final answer
    x = 315,627.16

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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.