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Finding the Third Proportional to 5,381,505 and 8,341,258.50

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Solution

The third proportional to 5,381,505 and 8,341,258.50 is: 12,928,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,505 : 8,341,258.50 = 8,341,258.50 : x
  2. Step 2: Convert to fraction form
    5,381,505/8,341,258.50 = 8,341,258.50/x
  3. Step 3: Cross multiply
    5,381,505x = 8,341,258.50 × 8,341,258.50
  4. Step 4: Simplify right side
    5,381,505x = 69,576,593,363,822.25
  5. Step 5: Solve for x
    x = 69,576,593,363,822.25/5,381,505
  6. Step 6: Final answer
    x = 12,928,835.59

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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.