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Finding the Third Proportional to 35,682 and 53,421.75

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Solution

The third proportional to 35,682 and 53,421.75 is: 79,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682 : 53,421.75 = 53,421.75 : x
  2. Step 2: Convert to fraction form
    35,682/53,421.75 = 53,421.75/x
  3. Step 3: Cross multiply
    35,682x = 53,421.75 × 53,421.75
  4. Step 4: Simplify right side
    35,682x = 2,853,883,373.06
  5. Step 5: Solve for x
    x = 2,853,883,373.06/35,682
  6. Step 6: Final answer
    x = 79,981.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.