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Finding the Third Proportional to 66,025.50 and 142,317.50

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Solution

The third proportional to 66,025.50 and 142,317.50 is: 306,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025.50 : 142,317.50 = 142,317.50 : x
  2. Step 2: Convert to fraction form
    66,025.50/142,317.50 = 142,317.50/x
  3. Step 3: Cross multiply
    66,025.50x = 142,317.50 × 142,317.50
  4. Step 4: Simplify right side
    66,025.50x = 20,254,270,806.25
  5. Step 5: Solve for x
    x = 20,254,270,806.25/66,025.50
  6. Step 6: Final answer
    x = 306,764.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.