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Finding the Third Proportional to 811,267.50 and 1,731,120.75

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Solution

The third proportional to 811,267.50 and 1,731,120.75 is: 3,693,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,267.50 : 1,731,120.75 = 1,731,120.75 : x
  2. Step 2: Convert to fraction form
    811,267.50/1,731,120.75 = 1,731,120.75/x
  3. Step 3: Cross multiply
    811,267.50x = 1,731,120.75 × 1,731,120.75
  4. Step 4: Simplify right side
    811,267.50x = 2,996,779,051,080.56
  5. Step 5: Solve for x
    x = 2,996,779,051,080.56/811,267.50
  6. Step 6: Final answer
    x = 3,693,946.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.