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Finding the Third Proportional to 73,913.63 and 162,135

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Solution

The third proportional to 73,913.63 and 162,135 is: 355,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.63 : 162,135 = 162,135 : x
  2. Step 2: Convert to fraction form
    73,913.63/162,135 = 162,135/x
  3. Step 3: Cross multiply
    73,913.63x = 162,135 × 162,135
  4. Step 4: Simplify right side
    73,913.63x = 26,287,758,225
  5. Step 5: Solve for x
    x = 26,287,758,225/73,913.63
  6. Step 6: Final answer
    x = 355,655.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.