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Finding the Third Proportional to 939,315 and 2,028,669

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Solution

The third proportional to 939,315 and 2,028,669 is: 4,381,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,315 : 2,028,669 = 2,028,669 : x
  2. Step 2: Convert to fraction form
    939,315/2,028,669 = 2,028,669/x
  3. Step 3: Cross multiply
    939,315x = 2,028,669 × 2,028,669
  4. Step 4: Simplify right side
    939,315x = 4,115,497,911,561
  5. Step 5: Solve for x
    x = 4,115,497,911,561/939,315
  6. Step 6: Final answer
    x = 4,381,382.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.