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Finding the Third Proportional to 620,773.50 and 949,210.50

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Solution

The third proportional to 620,773.50 and 949,210.50 is: 1,451,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,773.50 : 949,210.50 = 949,210.50 : x
  2. Step 2: Convert to fraction form
    620,773.50/949,210.50 = 949,210.50/x
  3. Step 3: Cross multiply
    620,773.50x = 949,210.50 × 949,210.50
  4. Step 4: Simplify right side
    620,773.50x = 901,000,573,310.25
  5. Step 5: Solve for x
    x = 901,000,573,310.25/620,773.50
  6. Step 6: Final answer
    x = 1,451,415.97

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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.