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Finding the Third Proportional to 1,387,885 and 2,070,313

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Solution

The third proportional to 1,387,885 and 2,070,313 is: 3,088,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,885 : 2,070,313 = 2,070,313 : x
  2. Step 2: Convert to fraction form
    1,387,885/2,070,313 = 2,070,313/x
  3. Step 3: Cross multiply
    1,387,885x = 2,070,313 × 2,070,313
  4. Step 4: Simplify right side
    1,387,885x = 4,286,195,917,969
  5. Step 5: Solve for x
    x = 4,286,195,917,969/1,387,885
  6. Step 6: Final answer
    x = 3,088,293.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.