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Finding the Third Proportional to 10,480 and 20,336

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Solution

The third proportional to 10,480 and 20,336 is: 39,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480 : 20,336 = 20,336 : x
  2. Step 2: Convert to fraction form
    10,480/20,336 = 20,336/x
  3. Step 3: Cross multiply
    10,480x = 20,336 × 20,336
  4. Step 4: Simplify right side
    10,480x = 413,552,896
  5. Step 5: Solve for x
    x = 413,552,896/10,480
  6. Step 6: Final answer
    x = 39,461.15

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.