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Finding the Third Proportional to 54,376.50 and 119,391

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Solution

The third proportional to 54,376.50 and 119,391 is: 262,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376.50 : 119,391 = 119,391 : x
  2. Step 2: Convert to fraction form
    54,376.50/119,391 = 119,391/x
  3. Step 3: Cross multiply
    54,376.50x = 119,391 × 119,391
  4. Step 4: Simplify right side
    54,376.50x = 14,254,210,881
  5. Step 5: Solve for x
    x = 14,254,210,881/54,376.50
  6. Step 6: Final answer
    x = 262,139.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.