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Finding the Third Proportional to 221,673.38 and 351,066

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Solution

The third proportional to 221,673.38 and 351,066 is: 555,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,673.38 : 351,066 = 351,066 : x
  2. Step 2: Convert to fraction form
    221,673.38/351,066 = 351,066/x
  3. Step 3: Cross multiply
    221,673.38x = 351,066 × 351,066
  4. Step 4: Simplify right side
    221,673.38x = 123,247,336,356
  5. Step 5: Solve for x
    x = 123,247,336,356/221,673.38
  6. Step 6: Final answer
    x = 555,986.20

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.