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Finding the Third Proportional to 366,972 and 808,438

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Solution

The third proportional to 366,972 and 808,438 is: 1,780,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972 : 808,438 = 808,438 : x
  2. Step 2: Convert to fraction form
    366,972/808,438 = 808,438/x
  3. Step 3: Cross multiply
    366,972x = 808,438 × 808,438
  4. Step 4: Simplify right side
    366,972x = 653,571,999,844
  5. Step 5: Solve for x
    x = 653,571,999,844/366,972
  6. Step 6: Final answer
    x = 1,780,986.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.