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Finding the Third Proportional to 8,382,057 and 12,813,657

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Solution

The third proportional to 8,382,057 and 12,813,657 is: 19,588,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,057 : 12,813,657 = 12,813,657 : x
  2. Step 2: Convert to fraction form
    8,382,057/12,813,657 = 12,813,657/x
  3. Step 3: Cross multiply
    8,382,057x = 12,813,657 × 12,813,657
  4. Step 4: Simplify right side
    8,382,057x = 164,189,805,713,649
  5. Step 5: Solve for x
    x = 164,189,805,713,649/8,382,057
  6. Step 6: Final answer
    x = 19,588,247.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.