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Finding the Third Proportional to 237,019.50 and 518,381

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Solution

The third proportional to 237,019.50 and 518,381 is: 1,133,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,019.50 : 518,381 = 518,381 : x
  2. Step 2: Convert to fraction form
    237,019.50/518,381 = 518,381/x
  3. Step 3: Cross multiply
    237,019.50x = 518,381 × 518,381
  4. Step 4: Simplify right side
    237,019.50x = 268,718,861,161
  5. Step 5: Solve for x
    x = 268,718,861,161/237,019.50
  6. Step 6: Final answer
    x = 1,133,741.57

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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.