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Finding the Third Proportional to 455,718 and 947,795

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Solution

The third proportional to 455,718 and 947,795 is: 1,971,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,718 : 947,795 = 947,795 : x
  2. Step 2: Convert to fraction form
    455,718/947,795 = 947,795/x
  3. Step 3: Cross multiply
    455,718x = 947,795 × 947,795
  4. Step 4: Simplify right side
    455,718x = 898,315,362,025
  5. Step 5: Solve for x
    x = 898,315,362,025/455,718
  6. Step 6: Final answer
    x = 1,971,208.87

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.