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Finding the Third Proportional to 106,239 and 155,530.50

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Solution

The third proportional to 106,239 and 155,530.50 is: 227,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,239 : 155,530.50 = 155,530.50 : x
  2. Step 2: Convert to fraction form
    106,239/155,530.50 = 155,530.50/x
  3. Step 3: Cross multiply
    106,239x = 155,530.50 × 155,530.50
  4. Step 4: Simplify right side
    106,239x = 24,189,736,430.25
  5. Step 5: Solve for x
    x = 24,189,736,430.25/106,239
  6. Step 6: Final answer
    x = 227,691.68

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.