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Finding the Third Proportional to 36,283,874 and 78,339,810

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Solution

The third proportional to 36,283,874 and 78,339,810 is: 169,141,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283,874 : 78,339,810 = 78,339,810 : x
  2. Step 2: Convert to fraction form
    36,283,874/78,339,810 = 78,339,810/x
  3. Step 3: Cross multiply
    36,283,874x = 78,339,810 × 78,339,810
  4. Step 4: Simplify right side
    36,283,874x = 6,137,125,830,836,100
  5. Step 5: Solve for x
    x = 6,137,125,830,836,100/36,283,874
  6. Step 6: Final answer
    x = 169,141,967.33

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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.