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Finding the Third Proportional to 140,734 and 210,399

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Solution

The third proportional to 140,734 and 210,399 is: 314,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734 : 210,399 = 210,399 : x
  2. Step 2: Convert to fraction form
    140,734/210,399 = 210,399/x
  3. Step 3: Cross multiply
    140,734x = 210,399 × 210,399
  4. Step 4: Simplify right side
    140,734x = 44,267,739,201
  5. Step 5: Solve for x
    x = 44,267,739,201/140,734
  6. Step 6: Final answer
    x = 314,549.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.