Home / 1,219,444.50-1,811,478.38

Finding the Third Proportional to 1,219,444.50 and 1,811,478.38

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Solution

The third proportional to 1,219,444.50 and 1,811,478.38 is: 2,690,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,444.50 : 1,811,478.38 = 1,811,478.38 : x
  2. Step 2: Convert to fraction form
    1,219,444.50/1,811,478.38 = 1,811,478.38/x
  3. Step 3: Cross multiply
    1,219,444.50x = 1,811,478.38 × 1,811,478.38
  4. Step 4: Simplify right side
    1,219,444.50x = 3,281,453,903,092.64
  5. Step 5: Solve for x
    x = 3,281,453,903,092.64/1,219,444.50
  6. Step 6: Final answer
    x = 2,690,941.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.