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Finding the Third Proportional to 118,587.38 and 189,669.94

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Solution

The third proportional to 118,587.38 and 189,669.94 is: 303,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.38 : 189,669.94 = 189,669.94 : x
  2. Step 2: Convert to fraction form
    118,587.38/189,669.94 = 189,669.94/x
  3. Step 3: Cross multiply
    118,587.38x = 189,669.94 × 189,669.94
  4. Step 4: Simplify right side
    118,587.38x = 35,974,685,191.25
  5. Step 5: Solve for x
    x = 35,974,685,191.25/118,587.38
  6. Step 6: Final answer
    x = 303,360.16

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.