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Finding the Third Proportional to 4,121,628.89 and 8,810,479.27

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Solution

The third proportional to 4,121,628.89 and 8,810,479.27 is: 18,833,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,628.89 : 8,810,479.27 = 8,810,479.27 : x
  2. Step 2: Convert to fraction form
    4,121,628.89/8,810,479.27 = 8,810,479.27/x
  3. Step 3: Cross multiply
    4,121,628.89x = 8,810,479.27 × 8,810,479.27
  4. Step 4: Simplify right side
    4,121,628.89x = 77,624,544,890,008.05
  5. Step 5: Solve for x
    x = 77,624,544,890,008.05/4,121,628.89
  6. Step 6: Final answer
    x = 18,833,462.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.