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Finding the Third Proportional to 387,506 and 836,164

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Solution

The third proportional to 387,506 and 836,164 is: 1,804,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,506 : 836,164 = 836,164 : x
  2. Step 2: Convert to fraction form
    387,506/836,164 = 836,164/x
  3. Step 3: Cross multiply
    387,506x = 836,164 × 836,164
  4. Step 4: Simplify right side
    387,506x = 699,170,234,896
  5. Step 5: Solve for x
    x = 699,170,234,896/387,506
  6. Step 6: Final answer
    x = 1,804,282.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.