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Finding the Third Proportional to 186,550.13 and 399,715.88

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Solution

The third proportional to 186,550.13 and 399,715.88 is: 856,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,550.13 : 399,715.88 = 399,715.88 : x
  2. Step 2: Convert to fraction form
    186,550.13/399,715.88 = 399,715.88/x
  3. Step 3: Cross multiply
    186,550.13x = 399,715.88 × 399,715.88
  4. Step 4: Simplify right side
    186,550.13x = 159,772,780,727.02
  5. Step 5: Solve for x
    x = 159,772,780,727.02/186,550.13
  6. Step 6: Final answer
    x = 856,460.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.