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Finding the Third Proportional to 666,708.75 and 1,059,115.50

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Solution

The third proportional to 666,708.75 and 1,059,115.50 is: 1,682,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,708.75 : 1,059,115.50 = 1,059,115.50 : x
  2. Step 2: Convert to fraction form
    666,708.75/1,059,115.50 = 1,059,115.50/x
  3. Step 3: Cross multiply
    666,708.75x = 1,059,115.50 × 1,059,115.50
  4. Step 4: Simplify right side
    666,708.75x = 1,121,725,642,340.25
  5. Step 5: Solve for x
    x = 1,121,725,642,340.25/666,708.75
  6. Step 6: Final answer
    x = 1,682,482.26

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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.