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Finding the Third Proportional to 74,007 and 109,867.50

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Solution

The third proportional to 74,007 and 109,867.50 is: 163,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007 : 109,867.50 = 109,867.50 : x
  2. Step 2: Convert to fraction form
    74,007/109,867.50 = 109,867.50/x
  3. Step 3: Cross multiply
    74,007x = 109,867.50 × 109,867.50
  4. Step 4: Simplify right side
    74,007x = 12,070,867,556.25
  5. Step 5: Solve for x
    x = 12,070,867,556.25/74,007
  6. Step 6: Final answer
    x = 163,104.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.