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Finding the Third Proportional to 36,015,879 and 78,862,326

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Solution

The third proportional to 36,015,879 and 78,862,326 is: 172,681,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015,879 : 78,862,326 = 78,862,326 : x
  2. Step 2: Convert to fraction form
    36,015,879/78,862,326 = 78,862,326/x
  3. Step 3: Cross multiply
    36,015,879x = 78,862,326 × 78,862,326
  4. Step 4: Simplify right side
    36,015,879x = 6,219,266,462,130,276
  5. Step 5: Solve for x
    x = 6,219,266,462,130,276/36,015,879
  6. Step 6: Final answer
    x = 172,681,234.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.