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Finding the Third Proportional to 921,905.93 and 1,395,716.06

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Solution

The third proportional to 921,905.93 and 1,395,716.06 is: 2,113,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,905.93 : 1,395,716.06 = 1,395,716.06 : x
  2. Step 2: Convert to fraction form
    921,905.93/1,395,716.06 = 1,395,716.06/x
  3. Step 3: Cross multiply
    921,905.93x = 1,395,716.06 × 1,395,716.06
  4. Step 4: Simplify right side
    921,905.93x = 1,948,023,327,120.50
  5. Step 5: Solve for x
    x = 1,948,023,327,120.50/921,905.93
  6. Step 6: Final answer
    x = 2,113,039.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.