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Finding the Third Proportional to 74,048 and 156,358

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Solution

The third proportional to 74,048 and 156,358 is: 330,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048 : 156,358 = 156,358 : x
  2. Step 2: Convert to fraction form
    74,048/156,358 = 156,358/x
  3. Step 3: Cross multiply
    74,048x = 156,358 × 156,358
  4. Step 4: Simplify right side
    74,048x = 24,447,824,164
  5. Step 5: Solve for x
    x = 24,447,824,164/74,048
  6. Step 6: Final answer
    x = 330,161.84

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.