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Finding the Third Proportional to 210,119 and 314,436

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Solution

The third proportional to 210,119 and 314,436 is: 470,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,119 : 314,436 = 314,436 : x
  2. Step 2: Convert to fraction form
    210,119/314,436 = 314,436/x
  3. Step 3: Cross multiply
    210,119x = 314,436 × 314,436
  4. Step 4: Simplify right side
    210,119x = 98,869,998,096
  5. Step 5: Solve for x
    x = 98,869,998,096/210,119
  6. Step 6: Final answer
    x = 470,542.87

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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.