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Finding the Third Proportional to 7,896,987 and 11,942,680.50

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Solution

The third proportional to 7,896,987 and 11,942,680.50 is: 18,061,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896,987 : 11,942,680.50 = 11,942,680.50 : x
  2. Step 2: Convert to fraction form
    7,896,987/11,942,680.50 = 11,942,680.50/x
  3. Step 3: Cross multiply
    7,896,987x = 11,942,680.50 × 11,942,680.50
  4. Step 4: Simplify right side
    7,896,987x = 142,627,617,525,080.25
  5. Step 5: Solve for x
    x = 142,627,617,525,080.25/7,896,987
  6. Step 6: Final answer
    x = 18,061,017.14

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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.