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Finding the Third Proportional to 211,934.50 and 297,069.50

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Solution

The third proportional to 211,934.50 and 297,069.50 is: 416,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,934.50 : 297,069.50 = 297,069.50 : x
  2. Step 2: Convert to fraction form
    211,934.50/297,069.50 = 297,069.50/x
  3. Step 3: Cross multiply
    211,934.50x = 297,069.50 × 297,069.50
  4. Step 4: Simplify right side
    211,934.50x = 88,250,287,830.25
  5. Step 5: Solve for x
    x = 88,250,287,830.25/211,934.50
  6. Step 6: Final answer
    x = 416,403.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.