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Finding the Third Proportional to 67,450,990.50 and 101,911,378.50

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Solution

The third proportional to 67,450,990.50 and 101,911,378.50 is: 153,977,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,450,990.50 : 101,911,378.50 = 101,911,378.50 : x
  2. Step 2: Convert to fraction form
    67,450,990.50/101,911,378.50 = 101,911,378.50/x
  3. Step 3: Cross multiply
    67,450,990.50x = 101,911,378.50 × 101,911,378.50
  4. Step 4: Simplify right side
    67,450,990.50x = 10,385,929,067,770,262
  5. Step 5: Solve for x
    x = 10,385,929,067,770,262/67,450,990.50
  6. Step 6: Final answer
    x = 153,977,413.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.