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Finding the Third Proportional to 155,422.50 and 183,808.50

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Solution

The third proportional to 155,422.50 and 183,808.50 is: 217,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.50 : 183,808.50 = 183,808.50 : x
  2. Step 2: Convert to fraction form
    155,422.50/183,808.50 = 183,808.50/x
  3. Step 3: Cross multiply
    155,422.50x = 183,808.50 × 183,808.50
  4. Step 4: Simplify right side
    155,422.50x = 33,785,564,672.25
  5. Step 5: Solve for x
    x = 33,785,564,672.25/155,422.50
  6. Step 6: Final answer
    x = 217,378.85

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.