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Finding the Third Proportional to 459,140 and 996,910

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Solution

The third proportional to 459,140 and 996,910 is: 2,164,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,140 : 996,910 = 996,910 : x
  2. Step 2: Convert to fraction form
    459,140/996,910 = 996,910/x
  3. Step 3: Cross multiply
    459,140x = 996,910 × 996,910
  4. Step 4: Simplify right side
    459,140x = 993,829,548,100
  5. Step 5: Solve for x
    x = 993,829,548,100/459,140
  6. Step 6: Final answer
    x = 2,164,545.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.