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Finding the Third Proportional to 718,958 and 1,100,253

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Solution

The third proportional to 718,958 and 1,100,253 is: 1,683,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,958 : 1,100,253 = 1,100,253 : x
  2. Step 2: Convert to fraction form
    718,958/1,100,253 = 1,100,253/x
  3. Step 3: Cross multiply
    718,958x = 1,100,253 × 1,100,253
  4. Step 4: Simplify right side
    718,958x = 1,210,556,664,009
  5. Step 5: Solve for x
    x = 1,210,556,664,009/718,958
  6. Step 6: Final answer
    x = 1,683,765.48

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.