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Finding the Third Proportional to 10,019 and 14,318

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Solution

The third proportional to 10,019 and 14,318 is: 20,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019 : 14,318 = 14,318 : x
  2. Step 2: Convert to fraction form
    10,019/14,318 = 14,318/x
  3. Step 3: Cross multiply
    10,019x = 14,318 × 14,318
  4. Step 4: Simplify right side
    10,019x = 205,005,124
  5. Step 5: Solve for x
    x = 205,005,124/10,019
  6. Step 6: Final answer
    x = 20,461.64

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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.