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Finding the Third Proportional to 550,994 and 851,427

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Solution

The third proportional to 550,994 and 851,427 is: 1,315,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,994 : 851,427 = 851,427 : x
  2. Step 2: Convert to fraction form
    550,994/851,427 = 851,427/x
  3. Step 3: Cross multiply
    550,994x = 851,427 × 851,427
  4. Step 4: Simplify right side
    550,994x = 724,927,936,329
  5. Step 5: Solve for x
    x = 724,927,936,329/550,994
  6. Step 6: Final answer
    x = 1,315,673.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.