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Finding the Third Proportional to 25,143,678 and 54,293,940

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Solution

The third proportional to 25,143,678 and 54,293,940 is: 117,239,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143,678 : 54,293,940 = 54,293,940 : x
  2. Step 2: Convert to fraction form
    25,143,678/54,293,940 = 54,293,940/x
  3. Step 3: Cross multiply
    25,143,678x = 54,293,940 × 54,293,940
  4. Step 4: Simplify right side
    25,143,678x = 2,947,831,920,723,600
  5. Step 5: Solve for x
    x = 2,947,831,920,723,600/25,143,678
  6. Step 6: Final answer
    x = 117,239,487.43

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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.