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Finding the Third Proportional to 294,442 and 635,540

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Solution

The third proportional to 294,442 and 635,540 is: 1,371,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,442 : 635,540 = 635,540 : x
  2. Step 2: Convert to fraction form
    294,442/635,540 = 635,540/x
  3. Step 3: Cross multiply
    294,442x = 635,540 × 635,540
  4. Step 4: Simplify right side
    294,442x = 403,911,091,600
  5. Step 5: Solve for x
    x = 403,911,091,600/294,442
  6. Step 6: Final answer
    x = 1,371,784.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.