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Finding the Third Proportional to 75,443.50 and 165,395

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Solution

The third proportional to 75,443.50 and 165,395 is: 362,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,443.50 : 165,395 = 165,395 : x
  2. Step 2: Convert to fraction form
    75,443.50/165,395 = 165,395/x
  3. Step 3: Cross multiply
    75,443.50x = 165,395 × 165,395
  4. Step 4: Simplify right side
    75,443.50x = 27,355,506,025
  5. Step 5: Solve for x
    x = 27,355,506,025/75,443.50
  6. Step 6: Final answer
    x = 362,595.93

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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.