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Finding the Third Proportional to 866,659.50 and 1,248,345

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Solution

The third proportional to 866,659.50 and 1,248,345 is: 1,798,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,659.50 : 1,248,345 = 1,248,345 : x
  2. Step 2: Convert to fraction form
    866,659.50/1,248,345 = 1,248,345/x
  3. Step 3: Cross multiply
    866,659.50x = 1,248,345 × 1,248,345
  4. Step 4: Simplify right side
    866,659.50x = 1,558,365,239,025
  5. Step 5: Solve for x
    x = 1,558,365,239,025/866,659.50
  6. Step 6: Final answer
    x = 1,798,128.61

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.