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Finding the Third Proportional to 1,289,133 and 2,809,359

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Solution

The third proportional to 1,289,133 and 2,809,359 is: 6,122,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,133 : 2,809,359 = 2,809,359 : x
  2. Step 2: Convert to fraction form
    1,289,133/2,809,359 = 2,809,359/x
  3. Step 3: Cross multiply
    1,289,133x = 2,809,359 × 2,809,359
  4. Step 4: Simplify right side
    1,289,133x = 7,892,497,990,881
  5. Step 5: Solve for x
    x = 7,892,497,990,881/1,289,133
  6. Step 6: Final answer
    x = 6,122,330.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.