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Finding the Third Proportional to 102,039.50 and 210,628.50

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Solution

The third proportional to 102,039.50 and 210,628.50 is: 434,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,039.50 : 210,628.50 = 210,628.50 : x
  2. Step 2: Convert to fraction form
    102,039.50/210,628.50 = 210,628.50/x
  3. Step 3: Cross multiply
    102,039.50x = 210,628.50 × 210,628.50
  4. Step 4: Simplify right side
    102,039.50x = 44,364,365,012.25
  5. Step 5: Solve for x
    x = 44,364,365,012.25/102,039.50
  6. Step 6: Final answer
    x = 434,776.39

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.