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Finding the Third Proportional to 7,420,454.50 and 11,189,077.50

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Solution

The third proportional to 7,420,454.50 and 11,189,077.50 is: 16,871,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,454.50 : 11,189,077.50 = 11,189,077.50 : x
  2. Step 2: Convert to fraction form
    7,420,454.50/11,189,077.50 = 11,189,077.50/x
  3. Step 3: Cross multiply
    7,420,454.50x = 11,189,077.50 × 11,189,077.50
  4. Step 4: Simplify right side
    7,420,454.50x = 125,195,455,301,006.25
  5. Step 5: Solve for x
    x = 125,195,455,301,006.25/7,420,454.50
  6. Step 6: Final answer
    x = 16,871,669.42

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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.