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Finding the Third Proportional to 4,121,686 and 8,810,600

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Solution

The third proportional to 4,121,686 and 8,810,600 is: 18,833,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,686 : 8,810,600 = 8,810,600 : x
  2. Step 2: Convert to fraction form
    4,121,686/8,810,600 = 8,810,600/x
  3. Step 3: Cross multiply
    4,121,686x = 8,810,600 × 8,810,600
  4. Step 4: Simplify right side
    4,121,686x = 77,626,672,360,000
  5. Step 5: Solve for x
    x = 77,626,672,360,000/4,121,686
  6. Step 6: Final answer
    x = 18,833,718.13

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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.