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Finding the Third Proportional to 690,134 and 1,501,762

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Solution

The third proportional to 690,134 and 1,501,762 is: 3,267,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,134 : 1,501,762 = 1,501,762 : x
  2. Step 2: Convert to fraction form
    690,134/1,501,762 = 1,501,762/x
  3. Step 3: Cross multiply
    690,134x = 1,501,762 × 1,501,762
  4. Step 4: Simplify right side
    690,134x = 2,255,289,104,644
  5. Step 5: Solve for x
    x = 2,255,289,104,644/690,134
  6. Step 6: Final answer
    x = 3,267,900.30

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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.