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Finding the Third Proportional to 12,649.50 and 19,035

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Solution

The third proportional to 12,649.50 and 19,035 is: 28,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649.50 : 19,035 = 19,035 : x
  2. Step 2: Convert to fraction form
    12,649.50/19,035 = 19,035/x
  3. Step 3: Cross multiply
    12,649.50x = 19,035 × 19,035
  4. Step 4: Simplify right side
    12,649.50x = 362,331,225
  5. Step 5: Solve for x
    x = 362,331,225/12,649.50
  6. Step 6: Final answer
    x = 28,643.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.