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Finding the Third Proportional to 68,403 and 102,331.50

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Solution

The third proportional to 68,403 and 102,331.50 is: 153,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403 : 102,331.50 = 102,331.50 : x
  2. Step 2: Convert to fraction form
    68,403/102,331.50 = 102,331.50/x
  3. Step 3: Cross multiply
    68,403x = 102,331.50 × 102,331.50
  4. Step 4: Simplify right side
    68,403x = 10,471,735,892.25
  5. Step 5: Solve for x
    x = 10,471,735,892.25/68,403
  6. Step 6: Final answer
    x = 153,088.84

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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.