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Finding the Third Proportional to 203,564 and 299,264

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Solution

The third proportional to 203,564 and 299,264 is: 439,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,564 : 299,264 = 299,264 : x
  2. Step 2: Convert to fraction form
    203,564/299,264 = 299,264/x
  3. Step 3: Cross multiply
    203,564x = 299,264 × 299,264
  4. Step 4: Simplify right side
    203,564x = 89,558,941,696
  5. Step 5: Solve for x
    x = 89,558,941,696/203,564
  6. Step 6: Final answer
    x = 439,954.72

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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.