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Finding the Third Proportional to 3,112,564 and 6,690,158

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Solution

The third proportional to 3,112,564 and 6,690,158 is: 14,379,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,564 : 6,690,158 = 6,690,158 : x
  2. Step 2: Convert to fraction form
    3,112,564/6,690,158 = 6,690,158/x
  3. Step 3: Cross multiply
    3,112,564x = 6,690,158 × 6,690,158
  4. Step 4: Simplify right side
    3,112,564x = 44,758,214,064,964
  5. Step 5: Solve for x
    x = 44,758,214,064,964/3,112,564
  6. Step 6: Final answer
    x = 14,379,853.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.