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Finding the Third Proportional to 70,602.47 and 155,199.38

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Solution

The third proportional to 70,602.47 and 155,199.38 is: 341,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.47 : 155,199.38 = 155,199.38 : x
  2. Step 2: Convert to fraction form
    70,602.47/155,199.38 = 155,199.38/x
  3. Step 3: Cross multiply
    70,602.47x = 155,199.38 × 155,199.38
  4. Step 4: Simplify right side
    70,602.47x = 24,086,846,000.39
  5. Step 5: Solve for x
    x = 24,086,846,000.39/70,602.47
  6. Step 6: Final answer
    x = 341,161.53

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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.