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Finding the Third Proportional to 186,672.50 and 287,090.50

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Solution

The third proportional to 186,672.50 and 287,090.50 is: 441,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672.50 : 287,090.50 = 287,090.50 : x
  2. Step 2: Convert to fraction form
    186,672.50/287,090.50 = 287,090.50/x
  3. Step 3: Cross multiply
    186,672.50x = 287,090.50 × 287,090.50
  4. Step 4: Simplify right side
    186,672.50x = 82,420,955,190.25
  5. Step 5: Solve for x
    x = 82,420,955,190.25/186,672.50
  6. Step 6: Final answer
    x = 441,527.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.