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Finding the Third Proportional to 186,416.50 and 291,620.75

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Solution

The third proportional to 186,416.50 and 291,620.75 is: 456,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,416.50 : 291,620.75 = 291,620.75 : x
  2. Step 2: Convert to fraction form
    186,416.50/291,620.75 = 291,620.75/x
  3. Step 3: Cross multiply
    186,416.50x = 291,620.75 × 291,620.75
  4. Step 4: Simplify right side
    186,416.50x = 85,042,661,830.56
  5. Step 5: Solve for x
    x = 85,042,661,830.56/186,416.50
  6. Step 6: Final answer
    x = 456,197.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.