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Finding the Third Proportional to 253,388 and 535,384

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Solution

The third proportional to 253,388 and 535,384 is: 1,131,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,388 : 535,384 = 535,384 : x
  2. Step 2: Convert to fraction form
    253,388/535,384 = 535,384/x
  3. Step 3: Cross multiply
    253,388x = 535,384 × 535,384
  4. Step 4: Simplify right side
    253,388x = 286,636,027,456
  5. Step 5: Solve for x
    x = 286,636,027,456/253,388
  6. Step 6: Final answer
    x = 1,131,213.90

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.