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Finding the Third Proportional to 845,810 and 1,831,861

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Solution

The third proportional to 845,810 and 1,831,861 is: 3,967,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,810 : 1,831,861 = 1,831,861 : x
  2. Step 2: Convert to fraction form
    845,810/1,831,861 = 1,831,861/x
  3. Step 3: Cross multiply
    845,810x = 1,831,861 × 1,831,861
  4. Step 4: Simplify right side
    845,810x = 3,355,714,723,321
  5. Step 5: Solve for x
    x = 3,355,714,723,321/845,810
  6. Step 6: Final answer
    x = 3,967,456.90

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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.