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Finding the Third Proportional to 6,987,702 and 14,815,212

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Solution

The third proportional to 6,987,702 and 14,815,212 is: 31,410,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987,702 : 14,815,212 = 14,815,212 : x
  2. Step 2: Convert to fraction form
    6,987,702/14,815,212 = 14,815,212/x
  3. Step 3: Cross multiply
    6,987,702x = 14,815,212 × 14,815,212
  4. Step 4: Simplify right side
    6,987,702x = 219,490,506,604,944
  5. Step 5: Solve for x
    x = 219,490,506,604,944/6,987,702
  6. Step 6: Final answer
    x = 31,410,971.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.