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Finding the Third Proportional to 306,252 and 448,992

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Solution

The third proportional to 306,252 and 448,992 is: 658,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,252 : 448,992 = 448,992 : x
  2. Step 2: Convert to fraction form
    306,252/448,992 = 448,992/x
  3. Step 3: Cross multiply
    306,252x = 448,992 × 448,992
  4. Step 4: Simplify right side
    306,252x = 201,593,816,064
  5. Step 5: Solve for x
    x = 201,593,816,064/306,252
  6. Step 6: Final answer
    x = 658,261.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.