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Finding the Third Proportional to 555,499 and 1,193,865

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Solution

The third proportional to 555,499 and 1,193,865 is: 2,565,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,499 : 1,193,865 = 1,193,865 : x
  2. Step 2: Convert to fraction form
    555,499/1,193,865 = 1,193,865/x
  3. Step 3: Cross multiply
    555,499x = 1,193,865 × 1,193,865
  4. Step 4: Simplify right side
    555,499x = 1,425,313,638,225
  5. Step 5: Solve for x
    x = 1,425,313,638,225/555,499
  6. Step 6: Final answer
    x = 2,565,825.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.