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Finding the Third Proportional to 3,831,718.50 and 6,385,938.75

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Solution

The third proportional to 3,831,718.50 and 6,385,938.75 is: 10,642,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,718.50 : 6,385,938.75 = 6,385,938.75 : x
  2. Step 2: Convert to fraction form
    3,831,718.50/6,385,938.75 = 6,385,938.75/x
  3. Step 3: Cross multiply
    3,831,718.50x = 6,385,938.75 × 6,385,938.75
  4. Step 4: Simplify right side
    3,831,718.50x = 40,780,213,718,751.56
  5. Step 5: Solve for x
    x = 40,780,213,718,751.56/3,831,718.50
  6. Step 6: Final answer
    x = 10,642,800.02

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.