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Finding the Third Proportional to 74,491.50 and 152,263.50

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Solution

The third proportional to 74,491.50 and 152,263.50 is: 311,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,491.50 : 152,263.50 = 152,263.50 : x
  2. Step 2: Convert to fraction form
    74,491.50/152,263.50 = 152,263.50/x
  3. Step 3: Cross multiply
    74,491.50x = 152,263.50 × 152,263.50
  4. Step 4: Simplify right side
    74,491.50x = 23,184,173,432.25
  5. Step 5: Solve for x
    x = 23,184,173,432.25/74,491.50
  6. Step 6: Final answer
    x = 311,232.47

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.