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Finding the Third Proportional to 261,476 and 552,328

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Solution

The third proportional to 261,476 and 552,328 is: 1,166,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,476 : 552,328 = 552,328 : x
  2. Step 2: Convert to fraction form
    261,476/552,328 = 552,328/x
  3. Step 3: Cross multiply
    261,476x = 552,328 × 552,328
  4. Step 4: Simplify right side
    261,476x = 305,066,219,584
  5. Step 5: Solve for x
    x = 305,066,219,584/261,476
  6. Step 6: Final answer
    x = 1,166,708.30

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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.