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Finding the Third Proportional to 19,955,864 and 43,105,072

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Solution

The third proportional to 19,955,864 and 43,105,072 is: 93,107,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,864 : 43,105,072 = 43,105,072 : x
  2. Step 2: Convert to fraction form
    19,955,864/43,105,072 = 43,105,072/x
  3. Step 3: Cross multiply
    19,955,864x = 43,105,072 × 43,105,072
  4. Step 4: Simplify right side
    19,955,864x = 1,858,047,232,125,184
  5. Step 5: Solve for x
    x = 1,858,047,232,125,184/19,955,864
  6. Step 6: Final answer
    x = 93,107,831.97

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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.