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Finding the Third Proportional to 98,426 and 147,615

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Solution

The third proportional to 98,426 and 147,615 is: 221,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,426 : 147,615 = 147,615 : x
  2. Step 2: Convert to fraction form
    98,426/147,615 = 147,615/x
  3. Step 3: Cross multiply
    98,426x = 147,615 × 147,615
  4. Step 4: Simplify right side
    98,426x = 21,790,188,225
  5. Step 5: Solve for x
    x = 21,790,188,225/98,426
  6. Step 6: Final answer
    x = 221,386.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.