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Finding the Third Proportional to 3,116,367 and 4,871,380.50

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Solution

The third proportional to 3,116,367 and 4,871,380.50 is: 7,614,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,367 : 4,871,380.50 = 4,871,380.50 : x
  2. Step 2: Convert to fraction form
    3,116,367/4,871,380.50 = 4,871,380.50/x
  3. Step 3: Cross multiply
    3,116,367x = 4,871,380.50 × 4,871,380.50
  4. Step 4: Simplify right side
    3,116,367x = 23,730,347,975,780.25
  5. Step 5: Solve for x
    x = 23,730,347,975,780.25/3,116,367
  6. Step 6: Final answer
    x = 7,614,747.55

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.