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Finding the Third Proportional to 66,271.92 and 143,051.91

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Solution

The third proportional to 66,271.92 and 143,051.91 is: 308,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.92 : 143,051.91 = 143,051.91 : x
  2. Step 2: Convert to fraction form
    66,271.92/143,051.91 = 143,051.91/x
  3. Step 3: Cross multiply
    66,271.92x = 143,051.91 × 143,051.91
  4. Step 4: Simplify right side
    66,271.92x = 20,463,847,881.76
  5. Step 5: Solve for x
    x = 20,463,847,881.76/66,271.92
  6. Step 6: Final answer
    x = 308,786.09

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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.