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Finding the Third Proportional to 686,763.56 and 1,009,596.66

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Solution

The third proportional to 686,763.56 and 1,009,596.66 is: 1,484,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,763.56 : 1,009,596.66 = 1,009,596.66 : x
  2. Step 2: Convert to fraction form
    686,763.56/1,009,596.66 = 1,009,596.66/x
  3. Step 3: Cross multiply
    686,763.56x = 1,009,596.66 × 1,009,596.66
  4. Step 4: Simplify right side
    686,763.56x = 1,019,285,408,311.18
  5. Step 5: Solve for x
    x = 1,019,285,408,311.18/686,763.56
  6. Step 6: Final answer
    x = 1,484,186.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.