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Finding the Third Proportional to 19,368 and 41,808

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Solution

The third proportional to 19,368 and 41,808 is: 90,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368 : 41,808 = 41,808 : x
  2. Step 2: Convert to fraction form
    19,368/41,808 = 41,808/x
  3. Step 3: Cross multiply
    19,368x = 41,808 × 41,808
  4. Step 4: Simplify right side
    19,368x = 1,747,908,864
  5. Step 5: Solve for x
    x = 1,747,908,864/19,368
  6. Step 6: Final answer
    x = 90,247.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.