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Finding the Third Proportional to 13,835 and 19,767

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Solution

The third proportional to 13,835 and 19,767 is: 28,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835 : 19,767 = 19,767 : x
  2. Step 2: Convert to fraction form
    13,835/19,767 = 19,767/x
  3. Step 3: Cross multiply
    13,835x = 19,767 × 19,767
  4. Step 4: Simplify right side
    13,835x = 390,734,289
  5. Step 5: Solve for x
    x = 390,734,289/13,835
  6. Step 6: Final answer
    x = 28,242.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.