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Finding the Third Proportional to 297,373.50 and 643,133.25

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Solution

The third proportional to 297,373.50 and 643,133.25 is: 1,390,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,373.50 : 643,133.25 = 643,133.25 : x
  2. Step 2: Convert to fraction form
    297,373.50/643,133.25 = 643,133.25/x
  3. Step 3: Cross multiply
    297,373.50x = 643,133.25 × 643,133.25
  4. Step 4: Simplify right side
    297,373.50x = 413,620,377,255.56
  5. Step 5: Solve for x
    x = 413,620,377,255.56/297,373.50
  6. Step 6: Final answer
    x = 1,390,912.03

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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.