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Finding the Third Proportional to 420,736 and 918,584

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Solution

The third proportional to 420,736 and 918,584 is: 2,005,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,736 : 918,584 = 918,584 : x
  2. Step 2: Convert to fraction form
    420,736/918,584 = 918,584/x
  3. Step 3: Cross multiply
    420,736x = 918,584 × 918,584
  4. Step 4: Simplify right side
    420,736x = 843,796,565,056
  5. Step 5: Solve for x
    x = 843,796,565,056/420,736
  6. Step 6: Final answer
    x = 2,005,525.00

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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.