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Finding the Third Proportional to 459,128 and 996,886

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Solution

The third proportional to 459,128 and 996,886 is: 2,164,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,128 : 996,886 = 996,886 : x
  2. Step 2: Convert to fraction form
    459,128/996,886 = 996,886/x
  3. Step 3: Cross multiply
    459,128x = 996,886 × 996,886
  4. Step 4: Simplify right side
    459,128x = 993,781,696,996
  5. Step 5: Solve for x
    x = 993,781,696,996/459,128
  6. Step 6: Final answer
    x = 2,164,498.13

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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.