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Finding the Third Proportional to 12,133.50 and 19,371

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Solution

The third proportional to 12,133.50 and 19,371 is: 30,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.50 : 19,371 = 19,371 : x
  2. Step 2: Convert to fraction form
    12,133.50/19,371 = 19,371/x
  3. Step 3: Cross multiply
    12,133.50x = 19,371 × 19,371
  4. Step 4: Simplify right side
    12,133.50x = 375,235,641
  5. Step 5: Solve for x
    x = 375,235,641/12,133.50
  6. Step 6: Final answer
    x = 30,925.59

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.