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Finding the Third Proportional to 243,660 and 365,491

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Solution

The third proportional to 243,660 and 365,491 is: 548,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,660 : 365,491 = 365,491 : x
  2. Step 2: Convert to fraction form
    243,660/365,491 = 365,491/x
  3. Step 3: Cross multiply
    243,660x = 365,491 × 365,491
  4. Step 4: Simplify right side
    243,660x = 133,583,671,081
  5. Step 5: Solve for x
    x = 133,583,671,081/243,660
  6. Step 6: Final answer
    x = 548,238.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.