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Finding the Third Proportional to 47,007 and 68,746.50

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Solution

The third proportional to 47,007 and 68,746.50 is: 100,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007 : 68,746.50 = 68,746.50 : x
  2. Step 2: Convert to fraction form
    47,007/68,746.50 = 68,746.50/x
  3. Step 3: Cross multiply
    47,007x = 68,746.50 × 68,746.50
  4. Step 4: Simplify right side
    47,007x = 4,726,081,262.25
  5. Step 5: Solve for x
    x = 4,726,081,262.25/47,007
  6. Step 6: Final answer
    x = 100,539.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.