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Finding the Third Proportional to 12,608 and 19,070

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Solution

The third proportional to 12,608 and 19,070 is: 28,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608 : 19,070 = 19,070 : x
  2. Step 2: Convert to fraction form
    12,608/19,070 = 19,070/x
  3. Step 3: Cross multiply
    12,608x = 19,070 × 19,070
  4. Step 4: Simplify right side
    12,608x = 363,664,900
  5. Step 5: Solve for x
    x = 363,664,900/12,608
  6. Step 6: Final answer
    x = 28,843.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.