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Finding the Third Proportional to 6,611,847 and 10,216,987.50

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Solution

The third proportional to 6,611,847 and 10,216,987.50 is: 15,787,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,847 : 10,216,987.50 = 10,216,987.50 : x
  2. Step 2: Convert to fraction form
    6,611,847/10,216,987.50 = 10,216,987.50/x
  3. Step 3: Cross multiply
    6,611,847x = 10,216,987.50 × 10,216,987.50
  4. Step 4: Simplify right side
    6,611,847x = 104,386,833,575,156.25
  5. Step 5: Solve for x
    x = 104,386,833,575,156.25/6,611,847
  6. Step 6: Final answer
    x = 15,787,847.72

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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.