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Finding the Third Proportional to 380,580 and 836,492

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Solution

The third proportional to 380,580 and 836,492 is: 1,838,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,580 : 836,492 = 836,492 : x
  2. Step 2: Convert to fraction form
    380,580/836,492 = 836,492/x
  3. Step 3: Cross multiply
    380,580x = 836,492 × 836,492
  4. Step 4: Simplify right side
    380,580x = 699,718,866,064
  5. Step 5: Solve for x
    x = 699,718,866,064/380,580
  6. Step 6: Final answer
    x = 1,838,559.22

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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.