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Finding the Third Proportional to 68,043 and 147,735

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Solution

The third proportional to 68,043 and 147,735 is: 320,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043 : 147,735 = 147,735 : x
  2. Step 2: Convert to fraction form
    68,043/147,735 = 147,735/x
  3. Step 3: Cross multiply
    68,043x = 147,735 × 147,735
  4. Step 4: Simplify right side
    68,043x = 21,825,630,225
  5. Step 5: Solve for x
    x = 21,825,630,225/68,043
  6. Step 6: Final answer
    x = 320,762.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.