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Finding the Third Proportional to 708,452.50 and 823,611.50

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Solution

The third proportional to 708,452.50 and 823,611.50 is: 957,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,452.50 : 823,611.50 = 823,611.50 : x
  2. Step 2: Convert to fraction form
    708,452.50/823,611.50 = 823,611.50/x
  3. Step 3: Cross multiply
    708,452.50x = 823,611.50 × 823,611.50
  4. Step 4: Simplify right side
    708,452.50x = 678,335,902,932.25
  5. Step 5: Solve for x
    x = 678,335,902,932.25/708,452.50
  6. Step 6: Final answer
    x = 957,489.60

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.