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Finding the Third Proportional to 876,093.75 and 1,280,880

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Solution

The third proportional to 876,093.75 and 1,280,880 is: 1,872,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,093.75 : 1,280,880 = 1,280,880 : x
  2. Step 2: Convert to fraction form
    876,093.75/1,280,880 = 1,280,880/x
  3. Step 3: Cross multiply
    876,093.75x = 1,280,880 × 1,280,880
  4. Step 4: Simplify right side
    876,093.75x = 1,640,653,574,400
  5. Step 5: Solve for x
    x = 1,640,653,574,400/876,093.75
  6. Step 6: Final answer
    x = 1,872,691.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.