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Finding the Third Proportional to 3,831,712 and 6,385,931.50

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Solution

The third proportional to 3,831,712 and 6,385,931.50 is: 10,642,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,712 : 6,385,931.50 = 6,385,931.50 : x
  2. Step 2: Convert to fraction form
    3,831,712/6,385,931.50 = 6,385,931.50/x
  3. Step 3: Cross multiply
    3,831,712x = 6,385,931.50 × 6,385,931.50
  4. Step 4: Simplify right side
    3,831,712x = 40,780,121,122,692.25
  5. Step 5: Solve for x
    x = 40,780,121,122,692.25/3,831,712
  6. Step 6: Final answer
    x = 10,642,793.91

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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.