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Finding the Third Proportional to 66,445.31 and 147,516.19

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Solution

The third proportional to 66,445.31 and 147,516.19 is: 327,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.31 : 147,516.19 = 147,516.19 : x
  2. Step 2: Convert to fraction form
    66,445.31/147,516.19 = 147,516.19/x
  3. Step 3: Cross multiply
    66,445.31x = 147,516.19 × 147,516.19
  4. Step 4: Simplify right side
    66,445.31x = 21,761,025,574.54
  5. Step 5: Solve for x
    x = 21,761,025,574.54/66,445.31
  6. Step 6: Final answer
    x = 327,502.80

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.