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Finding the Third Proportional to 1,384,105 and 2,975,138

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Solution

The third proportional to 1,384,105 and 2,975,138 is: 6,395,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,105 : 2,975,138 = 2,975,138 : x
  2. Step 2: Convert to fraction form
    1,384,105/2,975,138 = 2,975,138/x
  3. Step 3: Cross multiply
    1,384,105x = 2,975,138 × 2,975,138
  4. Step 4: Simplify right side
    1,384,105x = 8,851,446,119,044
  5. Step 5: Solve for x
    x = 8,851,446,119,044/1,384,105
  6. Step 6: Final answer
    x = 6,395,068.38

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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.