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Finding the Third Proportional to 72,067,698 and 111,685,050

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Solution

The third proportional to 72,067,698 and 111,685,050 is: 173,081,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,067,698 : 111,685,050 = 111,685,050 : x
  2. Step 2: Convert to fraction form
    72,067,698/111,685,050 = 111,685,050/x
  3. Step 3: Cross multiply
    72,067,698x = 111,685,050 × 111,685,050
  4. Step 4: Simplify right side
    72,067,698x = 12,473,550,393,502,500
  5. Step 5: Solve for x
    x = 12,473,550,393,502,500/72,067,698
  6. Step 6: Final answer
    x = 173,081,016.04

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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.