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Finding the Third Proportional to 15,977,874 and 34,505,178

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Solution

The third proportional to 15,977,874 and 34,505,178 is: 74,516,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,874 : 34,505,178 = 34,505,178 : x
  2. Step 2: Convert to fraction form
    15,977,874/34,505,178 = 34,505,178/x
  3. Step 3: Cross multiply
    15,977,874x = 34,505,178 × 34,505,178
  4. Step 4: Simplify right side
    15,977,874x = 1,190,607,308,811,684
  5. Step 5: Solve for x
    x = 1,190,607,308,811,684/15,977,874
  6. Step 6: Final answer
    x = 74,516,003.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.