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Finding the Third Proportional to 1,200,470.50 and 1,831,195.50

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Solution

The third proportional to 1,200,470.50 and 1,831,195.50 is: 2,793,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,470.50 : 1,831,195.50 = 1,831,195.50 : x
  2. Step 2: Convert to fraction form
    1,200,470.50/1,831,195.50 = 1,831,195.50/x
  3. Step 3: Cross multiply
    1,200,470.50x = 1,831,195.50 × 1,831,195.50
  4. Step 4: Simplify right side
    1,200,470.50x = 3,353,276,959,220.25
  5. Step 5: Solve for x
    x = 3,353,276,959,220.25/1,200,470.50
  6. Step 6: Final answer
    x = 2,793,302.26

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Why These Related Problems?

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