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Finding the Third Proportional to 35,923 and 78,534

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Solution

The third proportional to 35,923 and 78,534 is: 171,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,923 : 78,534 = 78,534 : x
  2. Step 2: Convert to fraction form
    35,923/78,534 = 78,534/x
  3. Step 3: Cross multiply
    35,923x = 78,534 × 78,534
  4. Step 4: Simplify right side
    35,923x = 6,167,589,156
  5. Step 5: Solve for x
    x = 6,167,589,156/35,923
  6. Step 6: Final answer
    x = 171,689.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.