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Finding the Third Proportional to 277,426.13 and 416,139.75

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Solution

The third proportional to 277,426.13 and 416,139.75 is: 624,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,426.13 : 416,139.75 = 416,139.75 : x
  2. Step 2: Convert to fraction form
    277,426.13/416,139.75 = 416,139.75/x
  3. Step 3: Cross multiply
    277,426.13x = 416,139.75 × 416,139.75
  4. Step 4: Simplify right side
    277,426.13x = 173,172,291,530.06
  5. Step 5: Solve for x
    x = 173,172,291,530.06/277,426.13
  6. Step 6: Final answer
    x = 624,210.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.