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Finding the Third Proportional to 53,945.50 and 119,681

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Solution

The third proportional to 53,945.50 and 119,681 is: 265,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.50 : 119,681 = 119,681 : x
  2. Step 2: Convert to fraction form
    53,945.50/119,681 = 119,681/x
  3. Step 3: Cross multiply
    53,945.50x = 119,681 × 119,681
  4. Step 4: Simplify right side
    53,945.50x = 14,323,541,761
  5. Step 5: Solve for x
    x = 14,323,541,761/53,945.50
  6. Step 6: Final answer
    x = 265,518.75

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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.