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Finding the Third Proportional to 237,178 and 518,600

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Solution

The third proportional to 237,178 and 518,600 is: 1,133,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,178 : 518,600 = 518,600 : x
  2. Step 2: Convert to fraction form
    237,178/518,600 = 518,600/x
  3. Step 3: Cross multiply
    237,178x = 518,600 × 518,600
  4. Step 4: Simplify right side
    237,178x = 268,945,960,000
  5. Step 5: Solve for x
    x = 268,945,960,000/237,178
  6. Step 6: Final answer
    x = 1,133,941.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.