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Finding the Third Proportional to 55,558.13 and 119,803.50

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Solution

The third proportional to 55,558.13 and 119,803.50 is: 258,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.13 : 119,803.50 = 119,803.50 : x
  2. Step 2: Convert to fraction form
    55,558.13/119,803.50 = 119,803.50/x
  3. Step 3: Cross multiply
    55,558.13x = 119,803.50 × 119,803.50
  4. Step 4: Simplify right side
    55,558.13x = 14,352,878,612.25
  5. Step 5: Solve for x
    x = 14,352,878,612.25/55,558.13
  6. Step 6: Final answer
    x = 258,339.87

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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.