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Finding the Third Proportional to 5,321,330 and 8,221,366.50

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Solution

The third proportional to 5,321,330 and 8,221,366.50 is: 12,701,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,330 : 8,221,366.50 = 8,221,366.50 : x
  2. Step 2: Convert to fraction form
    5,321,330/8,221,366.50 = 8,221,366.50/x
  3. Step 3: Cross multiply
    5,321,330x = 8,221,366.50 × 8,221,366.50
  4. Step 4: Simplify right side
    5,321,330x = 67,590,867,127,322.25
  5. Step 5: Solve for x
    x = 67,590,867,127,322.25/5,321,330
  6. Step 6: Final answer
    x = 12,701,874.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.