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Finding the Third Proportional to 350,298 and 543,518

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Solution

The third proportional to 350,298 and 543,518 is: 843,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,298 : 543,518 = 543,518 : x
  2. Step 2: Convert to fraction form
    350,298/543,518 = 543,518/x
  3. Step 3: Cross multiply
    350,298x = 543,518 × 543,518
  4. Step 4: Simplify right side
    350,298x = 295,411,816,324
  5. Step 5: Solve for x
    x = 295,411,816,324/350,298
  6. Step 6: Final answer
    x = 843,315.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.