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Finding the Third Proportional to 11,817,458.50 and 25,705,459

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Solution

The third proportional to 11,817,458.50 and 25,705,459 is: 55,914,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,458.50 : 25,705,459 = 25,705,459 : x
  2. Step 2: Convert to fraction form
    11,817,458.50/25,705,459 = 25,705,459/x
  3. Step 3: Cross multiply
    11,817,458.50x = 25,705,459 × 25,705,459
  4. Step 4: Simplify right side
    11,817,458.50x = 660,770,622,400,681
  5. Step 5: Solve for x
    x = 660,770,622,400,681/11,817,458.50
  6. Step 6: Final answer
    x = 55,914,782.56

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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.