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Finding the Third Proportional to 29,222.72 and 63,912.66

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Solution

The third proportional to 29,222.72 and 63,912.66 is: 139,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222.72 : 63,912.66 = 63,912.66 : x
  2. Step 2: Convert to fraction form
    29,222.72/63,912.66 = 63,912.66/x
  3. Step 3: Cross multiply
    29,222.72x = 63,912.66 × 63,912.66
  4. Step 4: Simplify right side
    29,222.72x = 4,084,827,628.93
  5. Step 5: Solve for x
    x = 4,084,827,628.93/29,222.72
  6. Step 6: Final answer
    x = 139,782.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.