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Finding the Third Proportional to 869,263.31 and 1,329,731.44

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Solution

The third proportional to 869,263.31 and 1,329,731.44 is: 2,034,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,263.31 : 1,329,731.44 = 1,329,731.44 : x
  2. Step 2: Convert to fraction form
    869,263.31/1,329,731.44 = 1,329,731.44/x
  3. Step 3: Cross multiply
    869,263.31x = 1,329,731.44 × 1,329,731.44
  4. Step 4: Simplify right side
    869,263.31x = 1,768,185,695,875.82
  5. Step 5: Solve for x
    x = 1,768,185,695,875.82/869,263.31
  6. Step 6: Final answer
    x = 2,034,119.78

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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.