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Finding the Third Proportional to 35,970 and 79,078

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Solution

The third proportional to 35,970 and 79,078 is: 173,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970 : 79,078 = 79,078 : x
  2. Step 2: Convert to fraction form
    35,970/79,078 = 79,078/x
  3. Step 3: Cross multiply
    35,970x = 79,078 × 79,078
  4. Step 4: Simplify right side
    35,970x = 6,253,330,084
  5. Step 5: Solve for x
    x = 6,253,330,084/35,970
  6. Step 6: Final answer
    x = 173,848.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.