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Finding the Third Proportional to 4,009,760 and 8,813,424

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Solution

The third proportional to 4,009,760 and 8,813,424 is: 19,371,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,760 : 8,813,424 = 8,813,424 : x
  2. Step 2: Convert to fraction form
    4,009,760/8,813,424 = 8,813,424/x
  3. Step 3: Cross multiply
    4,009,760x = 8,813,424 × 8,813,424
  4. Step 4: Simplify right side
    4,009,760x = 77,676,442,603,776
  5. Step 5: Solve for x
    x = 77,676,442,603,776/4,009,760
  6. Step 6: Final answer
    x = 19,371,843.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.