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Finding the Third Proportional to 242,072 and 531,928

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Solution

The third proportional to 242,072 and 531,928 is: 1,168,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,072 : 531,928 = 531,928 : x
  2. Step 2: Convert to fraction form
    242,072/531,928 = 531,928/x
  3. Step 3: Cross multiply
    242,072x = 531,928 × 531,928
  4. Step 4: Simplify right side
    242,072x = 282,947,397,184
  5. Step 5: Solve for x
    x = 282,947,397,184/242,072
  6. Step 6: Final answer
    x = 1,168,856.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.