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Finding the Third Proportional to 77,648.63 and 166,363.88

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Solution

The third proportional to 77,648.63 and 166,363.88 is: 356,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,648.63 : 166,363.88 = 166,363.88 : x
  2. Step 2: Convert to fraction form
    77,648.63/166,363.88 = 166,363.88/x
  3. Step 3: Cross multiply
    77,648.63x = 166,363.88 × 166,363.88
  4. Step 4: Simplify right side
    77,648.63x = 27,676,938,905.02
  5. Step 5: Solve for x
    x = 27,676,938,905.02/77,648.63
  6. Step 6: Final answer
    x = 356,438.24

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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.