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Finding the Third Proportional to 18,528,070 and 40,245,674

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Solution

The third proportional to 18,528,070 and 40,245,674 is: 87,419,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,070 : 40,245,674 = 40,245,674 : x
  2. Step 2: Convert to fraction form
    18,528,070/40,245,674 = 40,245,674/x
  3. Step 3: Cross multiply
    18,528,070x = 40,245,674 × 40,245,674
  4. Step 4: Simplify right side
    18,528,070x = 1,619,714,275,714,276
  5. Step 5: Solve for x
    x = 1,619,714,275,714,276/18,528,070
  6. Step 6: Final answer
    x = 87,419,481.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.