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Finding the Third Proportional to 13,365.50 and 19,454

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Solution

The third proportional to 13,365.50 and 19,454 is: 28,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.50 : 19,454 = 19,454 : x
  2. Step 2: Convert to fraction form
    13,365.50/19,454 = 19,454/x
  3. Step 3: Cross multiply
    13,365.50x = 19,454 × 19,454
  4. Step 4: Simplify right side
    13,365.50x = 378,458,116
  5. Step 5: Solve for x
    x = 378,458,116/13,365.50
  6. Step 6: Final answer
    x = 28,316.05

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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.