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Finding the Third Proportional to 264,878 and 579,272

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Solution

The third proportional to 264,878 and 579,272 is: 1,266,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,878 : 579,272 = 579,272 : x
  2. Step 2: Convert to fraction form
    264,878/579,272 = 579,272/x
  3. Step 3: Cross multiply
    264,878x = 579,272 × 579,272
  4. Step 4: Simplify right side
    264,878x = 335,556,049,984
  5. Step 5: Solve for x
    x = 335,556,049,984/264,878
  6. Step 6: Final answer
    x = 1,266,832.47

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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.