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Finding the Third Proportional to 51,306,087 and 79,510,308.38

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Solution

The third proportional to 51,306,087 and 79,510,308.38 is: 123,219,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306,087 : 79,510,308.38 = 79,510,308.38 : x
  2. Step 2: Convert to fraction form
    51,306,087/79,510,308.38 = 79,510,308.38/x
  3. Step 3: Cross multiply
    51,306,087x = 79,510,308.38 × 79,510,308.38
  4. Step 4: Simplify right side
    51,306,087x = 6,321,889,137,887,595
  5. Step 5: Solve for x
    x = 6,321,889,137,887,595/51,306,087
  6. Step 6: Final answer
    x = 123,219,085.83

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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.