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Finding the Third Proportional to 200,740.50 and 302,811.75

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Solution

The third proportional to 200,740.50 and 302,811.75 is: 456,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,740.50 : 302,811.75 = 302,811.75 : x
  2. Step 2: Convert to fraction form
    200,740.50/302,811.75 = 302,811.75/x
  3. Step 3: Cross multiply
    200,740.50x = 302,811.75 × 302,811.75
  4. Step 4: Simplify right side
    200,740.50x = 91,694,955,938.06
  5. Step 5: Solve for x
    x = 91,694,955,938.06/200,740.50
  6. Step 6: Final answer
    x = 456,783.54

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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.