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Finding the Third Proportional to 305,187 and 662,914.50

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Solution

The third proportional to 305,187 and 662,914.50 is: 1,439,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,187 : 662,914.50 = 662,914.50 : x
  2. Step 2: Convert to fraction form
    305,187/662,914.50 = 662,914.50/x
  3. Step 3: Cross multiply
    305,187x = 662,914.50 × 662,914.50
  4. Step 4: Simplify right side
    305,187x = 439,455,634,310.25
  5. Step 5: Solve for x
    x = 439,455,634,310.25/305,187
  6. Step 6: Final answer
    x = 1,439,955.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.