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Finding the Third Proportional to 393,934.50 and 573,673.50

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Solution

The third proportional to 393,934.50 and 573,673.50 is: 835,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,934.50 : 573,673.50 = 573,673.50 : x
  2. Step 2: Convert to fraction form
    393,934.50/573,673.50 = 573,673.50/x
  3. Step 3: Cross multiply
    393,934.50x = 573,673.50 × 573,673.50
  4. Step 4: Simplify right side
    393,934.50x = 329,101,284,602.25
  5. Step 5: Solve for x
    x = 329,101,284,602.25/393,934.50
  6. Step 6: Final answer
    x = 835,421.33

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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.