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Finding the Third Proportional to 139,944.80 and 210,925.27

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Solution

The third proportional to 139,944.80 and 210,925.27 is: 317,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,944.80 : 210,925.27 = 210,925.27 : x
  2. Step 2: Convert to fraction form
    139,944.80/210,925.27 = 210,925.27/x
  3. Step 3: Cross multiply
    139,944.80x = 210,925.27 × 210,925.27
  4. Step 4: Simplify right side
    139,944.80x = 44,489,467,678.98
  5. Step 5: Solve for x
    x = 44,489,467,678.98/139,944.80
  6. Step 6: Final answer
    x = 317,907.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.