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Finding the Third Proportional to 8,994 and 19,209

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Solution

The third proportional to 8,994 and 19,209 is: 41,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994 : 19,209 = 19,209 : x
  2. Step 2: Convert to fraction form
    8,994/19,209 = 19,209/x
  3. Step 3: Cross multiply
    8,994x = 19,209 × 19,209
  4. Step 4: Simplify right side
    8,994x = 368,985,681
  5. Step 5: Solve for x
    x = 368,985,681/8,994
  6. Step 6: Final answer
    x = 41,025.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.