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Finding the Third Proportional to 685,702.13 and 1,026,069.75

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Solution

The third proportional to 685,702.13 and 1,026,069.75 is: 1,535,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,702.13 : 1,026,069.75 = 1,026,069.75 : x
  2. Step 2: Convert to fraction form
    685,702.13/1,026,069.75 = 1,026,069.75/x
  3. Step 3: Cross multiply
    685,702.13x = 1,026,069.75 × 1,026,069.75
  4. Step 4: Simplify right side
    685,702.13x = 1,052,819,131,865.06
  5. Step 5: Solve for x
    x = 1,052,819,131,865.06/685,702.13
  6. Step 6: Final answer
    x = 1,535,388.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.