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Finding the Third Proportional to 51,389,079 and 84,360,837

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Solution

The third proportional to 51,389,079 and 84,360,837 is: 138,487,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389,079 : 84,360,837 = 84,360,837 : x
  2. Step 2: Convert to fraction form
    51,389,079/84,360,837 = 84,360,837/x
  3. Step 3: Cross multiply
    51,389,079x = 84,360,837 × 84,360,837
  4. Step 4: Simplify right side
    51,389,079x = 7,116,750,819,340,569
  5. Step 5: Solve for x
    x = 7,116,750,819,340,569/51,389,079
  6. Step 6: Final answer
    x = 138,487,611.72

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.