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Finding the Third Proportional to 980,991 and 2,191,576.50

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Solution

The third proportional to 980,991 and 2,191,576.50 is: 4,896,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,991 : 2,191,576.50 = 2,191,576.50 : x
  2. Step 2: Convert to fraction form
    980,991/2,191,576.50 = 2,191,576.50/x
  3. Step 3: Cross multiply
    980,991x = 2,191,576.50 × 2,191,576.50
  4. Step 4: Simplify right side
    980,991x = 4,803,007,555,352.25
  5. Step 5: Solve for x
    x = 4,803,007,555,352.25/980,991
  6. Step 6: Final answer
    x = 4,896,077.08

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.