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Finding the Third Proportional to 133,042.50 and 195,664.50

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Solution

The third proportional to 133,042.50 and 195,664.50 is: 287,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.50 : 195,664.50 = 195,664.50 : x
  2. Step 2: Convert to fraction form
    133,042.50/195,664.50 = 195,664.50/x
  3. Step 3: Cross multiply
    133,042.50x = 195,664.50 × 195,664.50
  4. Step 4: Simplify right side
    133,042.50x = 38,284,596,560.25
  5. Step 5: Solve for x
    x = 38,284,596,560.25/133,042.50
  6. Step 6: Final answer
    x = 287,762.16

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.