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Finding the Third Proportional to 3,251,831.50 and 7,003,118

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Solution

The third proportional to 3,251,831.50 and 7,003,118 is: 15,081,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,831.50 : 7,003,118 = 7,003,118 : x
  2. Step 2: Convert to fraction form
    3,251,831.50/7,003,118 = 7,003,118/x
  3. Step 3: Cross multiply
    3,251,831.50x = 7,003,118 × 7,003,118
  4. Step 4: Simplify right side
    3,251,831.50x = 49,043,661,721,924
  5. Step 5: Solve for x
    x = 49,043,661,721,924/3,251,831.50
  6. Step 6: Final answer
    x = 15,081,858.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.