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Finding the Third Proportional to 363,123 and 776,276

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Solution

The third proportional to 363,123 and 776,276 is: 1,659,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,123 : 776,276 = 776,276 : x
  2. Step 2: Convert to fraction form
    363,123/776,276 = 776,276/x
  3. Step 3: Cross multiply
    363,123x = 776,276 × 776,276
  4. Step 4: Simplify right side
    363,123x = 602,604,428,176
  5. Step 5: Solve for x
    x = 602,604,428,176/363,123
  6. Step 6: Final answer
    x = 1,659,504.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.