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Finding the Third Proportional to 209,490 and 452,180

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Solution

The third proportional to 209,490 and 452,180 is: 976,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,490 : 452,180 = 452,180 : x
  2. Step 2: Convert to fraction form
    209,490/452,180 = 452,180/x
  3. Step 3: Cross multiply
    209,490x = 452,180 × 452,180
  4. Step 4: Simplify right side
    209,490x = 204,466,752,400
  5. Step 5: Solve for x
    x = 204,466,752,400/209,490
  6. Step 6: Final answer
    x = 976,021.54

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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.