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Finding the Third Proportional to 14,679 and 31,180.50

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Solution

The third proportional to 14,679 and 31,180.50 is: 66,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679 : 31,180.50 = 31,180.50 : x
  2. Step 2: Convert to fraction form
    14,679/31,180.50 = 31,180.50/x
  3. Step 3: Cross multiply
    14,679x = 31,180.50 × 31,180.50
  4. Step 4: Simplify right side
    14,679x = 972,223,580.25
  5. Step 5: Solve for x
    x = 972,223,580.25/14,679
  6. Step 6: Final answer
    x = 66,232.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.