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Finding the Third Proportional to 899,403 and 1,383,840

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Solution

The third proportional to 899,403 and 1,383,840 is: 2,129,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,403 : 1,383,840 = 1,383,840 : x
  2. Step 2: Convert to fraction form
    899,403/1,383,840 = 1,383,840/x
  3. Step 3: Cross multiply
    899,403x = 1,383,840 × 1,383,840
  4. Step 4: Simplify right side
    899,403x = 1,915,013,145,600
  5. Step 5: Solve for x
    x = 1,915,013,145,600/899,403
  6. Step 6: Final answer
    x = 2,129,204.76

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.