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Finding the Third Proportional to 5,457,258 and 11,882,686

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Solution

The third proportional to 5,457,258 and 11,882,686 is: 25,873,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,258 : 11,882,686 = 11,882,686 : x
  2. Step 2: Convert to fraction form
    5,457,258/11,882,686 = 11,882,686/x
  3. Step 3: Cross multiply
    5,457,258x = 11,882,686 × 11,882,686
  4. Step 4: Simplify right side
    5,457,258x = 141,198,226,574,596
  5. Step 5: Solve for x
    x = 141,198,226,574,596/5,457,258
  6. Step 6: Final answer
    x = 25,873,474.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.