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Finding the Third Proportional to 186,180.75 and 397,777.50

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Solution

The third proportional to 186,180.75 and 397,777.50 is: 849,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,180.75 : 397,777.50 = 397,777.50 : x
  2. Step 2: Convert to fraction form
    186,180.75/397,777.50 = 397,777.50/x
  3. Step 3: Cross multiply
    186,180.75x = 397,777.50 × 397,777.50
  4. Step 4: Simplify right side
    186,180.75x = 158,226,939,506.25
  5. Step 5: Solve for x
    x = 158,226,939,506.25/186,180.75
  6. Step 6: Final answer
    x = 849,856.60

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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.