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Finding the Third Proportional to 454,543.50 and 988,669.50

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Solution

The third proportional to 454,543.50 and 988,669.50 is: 2,150,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,543.50 : 988,669.50 = 988,669.50 : x
  2. Step 2: Convert to fraction form
    454,543.50/988,669.50 = 988,669.50/x
  3. Step 3: Cross multiply
    454,543.50x = 988,669.50 × 988,669.50
  4. Step 4: Simplify right side
    454,543.50x = 977,467,380,230.25
  5. Step 5: Solve for x
    x = 977,467,380,230.25/454,543.50
  6. Step 6: Final answer
    x = 2,150,437.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.