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Finding the Third Proportional to 299,412 and 452,220

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Solution

The third proportional to 299,412 and 452,220 is: 683,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,412 : 452,220 = 452,220 : x
  2. Step 2: Convert to fraction form
    299,412/452,220 = 452,220/x
  3. Step 3: Cross multiply
    299,412x = 452,220 × 452,220
  4. Step 4: Simplify right side
    299,412x = 204,502,928,400
  5. Step 5: Solve for x
    x = 204,502,928,400/299,412
  6. Step 6: Final answer
    x = 683,015.14

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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.