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Finding the Third Proportional to 209,307.38 and 455,942.25

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Solution

The third proportional to 209,307.38 and 455,942.25 is: 993,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307.38 : 455,942.25 = 455,942.25 : x
  2. Step 2: Convert to fraction form
    209,307.38/455,942.25 = 455,942.25/x
  3. Step 3: Cross multiply
    209,307.38x = 455,942.25 × 455,942.25
  4. Step 4: Simplify right side
    209,307.38x = 207,883,335,335.06
  5. Step 5: Solve for x
    x = 207,883,335,335.06/209,307.38
  6. Step 6: Final answer
    x = 993,196.42

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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.