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Finding the Third Proportional to 165,522 and 242,556

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Solution

The third proportional to 165,522 and 242,556 is: 355,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,522 : 242,556 = 242,556 : x
  2. Step 2: Convert to fraction form
    165,522/242,556 = 242,556/x
  3. Step 3: Cross multiply
    165,522x = 242,556 × 242,556
  4. Step 4: Simplify right side
    165,522x = 58,833,413,136
  5. Step 5: Solve for x
    x = 58,833,413,136/165,522
  6. Step 6: Final answer
    x = 355,441.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.