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Finding the Third Proportional to 106,069 and 155,538

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Solution

The third proportional to 106,069 and 155,538 is: 228,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,069 : 155,538 = 155,538 : x
  2. Step 2: Convert to fraction form
    106,069/155,538 = 155,538/x
  3. Step 3: Cross multiply
    106,069x = 155,538 × 155,538
  4. Step 4: Simplify right side
    106,069x = 24,192,069,444
  5. Step 5: Solve for x
    x = 24,192,069,444/106,069
  6. Step 6: Final answer
    x = 228,078.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.