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Finding the Third Proportional to 18,251,258 and 40,071,700

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Solution

The third proportional to 18,251,258 and 40,071,700 is: 87,979,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,258 : 40,071,700 = 40,071,700 : x
  2. Step 2: Convert to fraction form
    18,251,258/40,071,700 = 40,071,700/x
  3. Step 3: Cross multiply
    18,251,258x = 40,071,700 × 40,071,700
  4. Step 4: Simplify right side
    18,251,258x = 1,605,741,140,890,000
  5. Step 5: Solve for x
    x = 1,605,741,140,890,000/18,251,258
  6. Step 6: Final answer
    x = 87,979,751.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.