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Finding the Third Proportional to 302,458.50 and 446,775.75

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Solution

The third proportional to 302,458.50 and 446,775.75 is: 659,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,458.50 : 446,775.75 = 446,775.75 : x
  2. Step 2: Convert to fraction form
    302,458.50/446,775.75 = 446,775.75/x
  3. Step 3: Cross multiply
    302,458.50x = 446,775.75 × 446,775.75
  4. Step 4: Simplify right side
    302,458.50x = 199,608,570,788.06
  5. Step 5: Solve for x
    x = 199,608,570,788.06/302,458.50
  6. Step 6: Final answer
    x = 659,953.58

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.