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Finding the Third Proportional to 155,969 and 236,154

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Solution

The third proportional to 155,969 and 236,154 is: 357,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,969 : 236,154 = 236,154 : x
  2. Step 2: Convert to fraction form
    155,969/236,154 = 236,154/x
  3. Step 3: Cross multiply
    155,969x = 236,154 × 236,154
  4. Step 4: Simplify right side
    155,969x = 55,768,711,716
  5. Step 5: Solve for x
    x = 55,768,711,716/155,969
  6. Step 6: Final answer
    x = 357,562.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.