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Finding the Third Proportional to 36,312 and 79,410

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Solution

The third proportional to 36,312 and 79,410 is: 173,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312 : 79,410 = 79,410 : x
  2. Step 2: Convert to fraction form
    36,312/79,410 = 79,410/x
  3. Step 3: Cross multiply
    36,312x = 79,410 × 79,410
  4. Step 4: Simplify right side
    36,312x = 6,305,948,100
  5. Step 5: Solve for x
    x = 6,305,948,100/36,312
  6. Step 6: Final answer
    x = 173,660.17

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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.