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Finding the Third Proportional to 4,029,578 and 8,708,692

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Solution

The third proportional to 4,029,578 and 8,708,692 is: 18,821,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029,578 : 8,708,692 = 8,708,692 : x
  2. Step 2: Convert to fraction form
    4,029,578/8,708,692 = 8,708,692/x
  3. Step 3: Cross multiply
    4,029,578x = 8,708,692 × 8,708,692
  4. Step 4: Simplify right side
    4,029,578x = 75,841,316,350,864
  5. Step 5: Solve for x
    x = 75,841,316,350,864/4,029,578
  6. Step 6: Final answer
    x = 18,821,156.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.