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Finding the Third Proportional to 4,102,856 and 8,928,160

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Solution

The third proportional to 4,102,856 and 8,928,160 is: 19,428,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,856 : 8,928,160 = 8,928,160 : x
  2. Step 2: Convert to fraction form
    4,102,856/8,928,160 = 8,928,160/x
  3. Step 3: Cross multiply
    4,102,856x = 8,928,160 × 8,928,160
  4. Step 4: Simplify right side
    4,102,856x = 79,712,040,985,600
  5. Step 5: Solve for x
    x = 79,712,040,985,600/4,102,856
  6. Step 6: Final answer
    x = 19,428,427.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.