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Finding the Third Proportional to 7,574,979 and 11,753,254

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Solution

The third proportional to 7,574,979 and 11,753,254 is: 18,236,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574,979 : 11,753,254 = 11,753,254 : x
  2. Step 2: Convert to fraction form
    7,574,979/11,753,254 = 11,753,254/x
  3. Step 3: Cross multiply
    7,574,979x = 11,753,254 × 11,753,254
  4. Step 4: Simplify right side
    7,574,979x = 138,138,979,588,516
  5. Step 5: Solve for x
    x = 138,138,979,588,516/7,574,979
  6. Step 6: Final answer
    x = 18,236,219.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.