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Finding the Third Proportional to 5,615,770 and 12,128,192

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Solution

The third proportional to 5,615,770 and 12,128,192 is: 26,192,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,770 : 12,128,192 = 12,128,192 : x
  2. Step 2: Convert to fraction form
    5,615,770/12,128,192 = 12,128,192/x
  3. Step 3: Cross multiply
    5,615,770x = 12,128,192 × 12,128,192
  4. Step 4: Simplify right side
    5,615,770x = 147,093,041,188,864
  5. Step 5: Solve for x
    x = 147,093,041,188,864/5,615,770
  6. Step 6: Final answer
    x = 26,192,853.55

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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.