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Finding the Third Proportional to 17,977,674 and 39,620,074

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Solution

The third proportional to 17,977,674 and 39,620,074 is: 87,316,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,674 : 39,620,074 = 39,620,074 : x
  2. Step 2: Convert to fraction form
    17,977,674/39,620,074 = 39,620,074/x
  3. Step 3: Cross multiply
    17,977,674x = 39,620,074 × 39,620,074
  4. Step 4: Simplify right side
    17,977,674x = 1,569,750,263,765,476
  5. Step 5: Solve for x
    x = 1,569,750,263,765,476/17,977,674
  6. Step 6: Final answer
    x = 87,316,649.74

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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.