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Finding the Third Proportional to 262,644 and 576,348

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Solution

The third proportional to 262,644 and 576,348 is: 1,264,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,644 : 576,348 = 576,348 : x
  2. Step 2: Convert to fraction form
    262,644/576,348 = 576,348/x
  3. Step 3: Cross multiply
    262,644x = 576,348 × 576,348
  4. Step 4: Simplify right side
    262,644x = 332,177,017,104
  5. Step 5: Solve for x
    x = 332,177,017,104/262,644
  6. Step 6: Final answer
    x = 1,264,742.45

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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.