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Finding the Third Proportional to 137,948 and 210,933

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Solution

The third proportional to 137,948 and 210,933 is: 322,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948 : 210,933 = 210,933 : x
  2. Step 2: Convert to fraction form
    137,948/210,933 = 210,933/x
  3. Step 3: Cross multiply
    137,948x = 210,933 × 210,933
  4. Step 4: Simplify right side
    137,948x = 44,492,730,489
  5. Step 5: Solve for x
    x = 44,492,730,489/137,948
  6. Step 6: Final answer
    x = 322,532.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.