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Finding the Third Proportional to 518,548 and 1,125,620

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Solution

The third proportional to 518,548 and 1,125,620 is: 2,443,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,548 : 1,125,620 = 1,125,620 : x
  2. Step 2: Convert to fraction form
    518,548/1,125,620 = 1,125,620/x
  3. Step 3: Cross multiply
    518,548x = 1,125,620 × 1,125,620
  4. Step 4: Simplify right side
    518,548x = 1,267,020,384,400
  5. Step 5: Solve for x
    x = 1,267,020,384,400/518,548
  6. Step 6: Final answer
    x = 2,443,400.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.