Home / 1,931,138.50-2,921,562.38

Finding the Third Proportional to 1,931,138.50 and 2,921,562.38

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Solution

The third proportional to 1,931,138.50 and 2,921,562.38 is: 4,419,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,138.50 : 2,921,562.38 = 2,921,562.38 : x
  2. Step 2: Convert to fraction form
    1,931,138.50/2,921,562.38 = 2,921,562.38/x
  3. Step 3: Cross multiply
    1,931,138.50x = 2,921,562.38 × 2,921,562.38
  4. Step 4: Simplify right side
    1,931,138.50x = 8,535,526,711,015.64
  5. Step 5: Solve for x
    x = 8,535,526,711,015.64/1,931,138.50
  6. Step 6: Final answer
    x = 4,419,945.39

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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.