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Finding the Third Proportional to 935,858.81 and 1,916,071.88

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Solution

The third proportional to 935,858.81 and 1,916,071.88 is: 3,922,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,858.81 : 1,916,071.88 = 1,916,071.88 : x
  2. Step 2: Convert to fraction form
    935,858.81/1,916,071.88 = 1,916,071.88/x
  3. Step 3: Cross multiply
    935,858.81x = 1,916,071.88 × 1,916,071.88
  4. Step 4: Simplify right side
    935,858.81x = 3,671,331,430,166.02
  5. Step 5: Solve for x
    x = 3,671,331,430,166.02/935,858.81
  6. Step 6: Final answer
    x = 3,922,954.38

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.