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Finding the Third Proportional to 14,280 and 20,298

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Solution

The third proportional to 14,280 and 20,298 is: 28,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280 : 20,298 = 20,298 : x
  2. Step 2: Convert to fraction form
    14,280/20,298 = 20,298/x
  3. Step 3: Cross multiply
    14,280x = 20,298 × 20,298
  4. Step 4: Simplify right side
    14,280x = 412,008,804
  5. Step 5: Solve for x
    x = 412,008,804/14,280
  6. Step 6: Final answer
    x = 28,852.16

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.