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Finding the Third Proportional to 133,048 and 210,639

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Solution

The third proportional to 133,048 and 210,639 is: 333,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048 : 210,639 = 210,639 : x
  2. Step 2: Convert to fraction form
    133,048/210,639 = 210,639/x
  3. Step 3: Cross multiply
    133,048x = 210,639 × 210,639
  4. Step 4: Simplify right side
    133,048x = 44,368,788,321
  5. Step 5: Solve for x
    x = 44,368,788,321/133,048
  6. Step 6: Final answer
    x = 333,479.56

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.