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Finding the Third Proportional to 763,090.72 and 1,214,689.13

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Solution

The third proportional to 763,090.72 and 1,214,689.13 is: 1,933,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,090.72 : 1,214,689.13 = 1,214,689.13 : x
  2. Step 2: Convert to fraction form
    763,090.72/1,214,689.13 = 1,214,689.13/x
  3. Step 3: Cross multiply
    763,090.72x = 1,214,689.13 × 1,214,689.13
  4. Step 4: Simplify right side
    763,090.72x = 1,475,469,684,627.96
  5. Step 5: Solve for x
    x = 1,475,469,684,627.96/763,090.72
  6. Step 6: Final answer
    x = 1,933,544.27

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.