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Finding the Third Proportional to 237,020.25 and 518,382

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Solution

The third proportional to 237,020.25 and 518,382 is: 1,133,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,020.25 : 518,382 = 518,382 : x
  2. Step 2: Convert to fraction form
    237,020.25/518,382 = 518,382/x
  3. Step 3: Cross multiply
    237,020.25x = 518,382 × 518,382
  4. Step 4: Simplify right side
    237,020.25x = 268,719,897,924
  5. Step 5: Solve for x
    x = 268,719,897,924/237,020.25
  6. Step 6: Final answer
    x = 1,133,742.36

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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.