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Finding the Third Proportional to 784,138.50 and 1,153,230.75

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Solution

The third proportional to 784,138.50 and 1,153,230.75 is: 1,696,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,138.50 : 1,153,230.75 = 1,153,230.75 : x
  2. Step 2: Convert to fraction form
    784,138.50/1,153,230.75 = 1,153,230.75/x
  3. Step 3: Cross multiply
    784,138.50x = 1,153,230.75 × 1,153,230.75
  4. Step 4: Simplify right side
    784,138.50x = 1,329,941,162,745.56
  5. Step 5: Solve for x
    x = 1,329,941,162,745.56/784,138.50
  6. Step 6: Final answer
    x = 1,696,053.90

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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.