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Finding the Third Proportional to 51,232,682 and 79,243,060

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Solution

The third proportional to 51,232,682 and 79,243,060 is: 122,567,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,232,682 : 79,243,060 = 79,243,060 : x
  2. Step 2: Convert to fraction form
    51,232,682/79,243,060 = 79,243,060/x
  3. Step 3: Cross multiply
    51,232,682x = 79,243,060 × 79,243,060
  4. Step 4: Simplify right side
    51,232,682x = 6,279,462,558,163,600
  5. Step 5: Solve for x
    x = 6,279,462,558,163,600/51,232,682
  6. Step 6: Final answer
    x = 122,567,515.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.