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Finding the Third Proportional to 148,006 and 216,474

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Solution

The third proportional to 148,006 and 216,474 is: 316,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,006 : 216,474 = 216,474 : x
  2. Step 2: Convert to fraction form
    148,006/216,474 = 216,474/x
  3. Step 3: Cross multiply
    148,006x = 216,474 × 216,474
  4. Step 4: Simplify right side
    148,006x = 46,860,992,676
  5. Step 5: Solve for x
    x = 46,860,992,676/148,006
  6. Step 6: Final answer
    x = 316,615.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.