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Finding the Third Proportional to 221,020 and 333,368

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Solution

The third proportional to 221,020 and 333,368 is: 502,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,020 : 333,368 = 333,368 : x
  2. Step 2: Convert to fraction form
    221,020/333,368 = 333,368/x
  3. Step 3: Cross multiply
    221,020x = 333,368 × 333,368
  4. Step 4: Simplify right side
    221,020x = 111,134,223,424
  5. Step 5: Solve for x
    x = 111,134,223,424/221,020
  6. Step 6: Final answer
    x = 502,824.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.