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Finding the Third Proportional to 261,348 and 572,508

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Solution

The third proportional to 261,348 and 572,508 is: 1,254,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,348 : 572,508 = 572,508 : x
  2. Step 2: Convert to fraction form
    261,348/572,508 = 572,508/x
  3. Step 3: Cross multiply
    261,348x = 572,508 × 572,508
  4. Step 4: Simplify right side
    261,348x = 327,765,410,064
  5. Step 5: Solve for x
    x = 327,765,410,064/261,348
  6. Step 6: Final answer
    x = 1,254,133.99

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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.