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Finding the Third Proportional to 301,099.50 and 440,338.50

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Solution

The third proportional to 301,099.50 and 440,338.50 is: 643,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,099.50 : 440,338.50 = 440,338.50 : x
  2. Step 2: Convert to fraction form
    301,099.50/440,338.50 = 440,338.50/x
  3. Step 3: Cross multiply
    301,099.50x = 440,338.50 × 440,338.50
  4. Step 4: Simplify right side
    301,099.50x = 193,897,994,582.25
  5. Step 5: Solve for x
    x = 193,897,994,582.25/301,099.50
  6. Step 6: Final answer
    x = 643,966.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.