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Finding the Third Proportional to 1,287,439.50 and 1,947,726

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Solution

The third proportional to 1,287,439.50 and 1,947,726 is: 2,946,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,439.50 : 1,947,726 = 1,947,726 : x
  2. Step 2: Convert to fraction form
    1,287,439.50/1,947,726 = 1,947,726/x
  3. Step 3: Cross multiply
    1,287,439.50x = 1,947,726 × 1,947,726
  4. Step 4: Simplify right side
    1,287,439.50x = 3,793,636,571,076
  5. Step 5: Solve for x
    x = 3,793,636,571,076/1,287,439.50
  6. Step 6: Final answer
    x = 2,946,652.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.