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Finding the Third Proportional to 1,135,280.25 and 1,892,059.88

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Solution

The third proportional to 1,135,280.25 and 1,892,059.88 is: 3,153,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,280.25 : 1,892,059.88 = 1,892,059.88 : x
  2. Step 2: Convert to fraction form
    1,135,280.25/1,892,059.88 = 1,892,059.88/x
  3. Step 3: Cross multiply
    1,135,280.25x = 1,892,059.88 × 1,892,059.88
  4. Step 4: Simplify right side
    1,135,280.25x = 3,579,890,570,585.02
  5. Step 5: Solve for x
    x = 3,579,890,570,585.02/1,135,280.25
  6. Step 6: Final answer
    x = 3,153,310.00

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.