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Finding the Third Proportional to 201,959.50 and 316,882.50

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Solution

The third proportional to 201,959.50 and 316,882.50 is: 497,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,959.50 : 316,882.50 = 316,882.50 : x
  2. Step 2: Convert to fraction form
    201,959.50/316,882.50 = 316,882.50/x
  3. Step 3: Cross multiply
    201,959.50x = 316,882.50 × 316,882.50
  4. Step 4: Simplify right side
    201,959.50x = 100,414,518,806.25
  5. Step 5: Solve for x
    x = 100,414,518,806.25/201,959.50
  6. Step 6: Final answer
    x = 497,201.26

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.