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Finding the Third Proportional to 247,134 and 539,574

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Solution

The third proportional to 247,134 and 539,574 is: 1,178,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,134 : 539,574 = 539,574 : x
  2. Step 2: Convert to fraction form
    247,134/539,574 = 539,574/x
  3. Step 3: Cross multiply
    247,134x = 539,574 × 539,574
  4. Step 4: Simplify right side
    247,134x = 291,140,101,476
  5. Step 5: Solve for x
    x = 291,140,101,476/247,134
  6. Step 6: Final answer
    x = 1,178,065.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.