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Finding the Third Proportional to 140,254 and 210,362

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Solution

The third proportional to 140,254 and 210,362 is: 315,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254 : 210,362 = 210,362 : x
  2. Step 2: Convert to fraction form
    140,254/210,362 = 210,362/x
  3. Step 3: Cross multiply
    140,254x = 210,362 × 210,362
  4. Step 4: Simplify right side
    140,254x = 44,252,171,044
  5. Step 5: Solve for x
    x = 44,252,171,044/140,254
  6. Step 6: Final answer
    x = 315,514.50

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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.