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Finding the Third Proportional to 244,270 and 388,572

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Solution

The third proportional to 244,270 and 388,572 is: 618,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,270 : 388,572 = 388,572 : x
  2. Step 2: Convert to fraction form
    244,270/388,572 = 388,572/x
  3. Step 3: Cross multiply
    244,270x = 388,572 × 388,572
  4. Step 4: Simplify right side
    244,270x = 150,988,199,184
  5. Step 5: Solve for x
    x = 150,988,199,184/244,270
  6. Step 6: Final answer
    x = 618,120.11

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.