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Finding the Third Proportional to 286,866 and 624,397

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Solution

The third proportional to 286,866 and 624,397 is: 1,359,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,866 : 624,397 = 624,397 : x
  2. Step 2: Convert to fraction form
    286,866/624,397 = 624,397/x
  3. Step 3: Cross multiply
    286,866x = 624,397 × 624,397
  4. Step 4: Simplify right side
    286,866x = 389,871,613,609
  5. Step 5: Solve for x
    x = 389,871,613,609/286,866
  6. Step 6: Final answer
    x = 1,359,072.23

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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.