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Finding the Third Proportional to 789,813 and 1,255,360.50

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Solution

The third proportional to 789,813 and 1,255,360.50 is: 1,995,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,813 : 1,255,360.50 = 1,255,360.50 : x
  2. Step 2: Convert to fraction form
    789,813/1,255,360.50 = 1,255,360.50/x
  3. Step 3: Cross multiply
    789,813x = 1,255,360.50 × 1,255,360.50
  4. Step 4: Simplify right side
    789,813x = 1,575,929,984,960.25
  5. Step 5: Solve for x
    x = 1,575,929,984,960.25/789,813
  6. Step 6: Final answer
    x = 1,995,320.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.