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Finding the Third Proportional to 261,796 and 573,308

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Solution

The third proportional to 261,796 and 573,308 is: 1,255,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,796 : 573,308 = 573,308 : x
  2. Step 2: Convert to fraction form
    261,796/573,308 = 573,308/x
  3. Step 3: Cross multiply
    261,796x = 573,308 × 573,308
  4. Step 4: Simplify right side
    261,796x = 328,682,062,864
  5. Step 5: Solve for x
    x = 328,682,062,864/261,796
  6. Step 6: Final answer
    x = 1,255,489.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.