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Finding the Third Proportional to 301,603.50 and 445,387.50

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Solution

The third proportional to 301,603.50 and 445,387.50 is: 657,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,603.50 : 445,387.50 = 445,387.50 : x
  2. Step 2: Convert to fraction form
    301,603.50/445,387.50 = 445,387.50/x
  3. Step 3: Cross multiply
    301,603.50x = 445,387.50 × 445,387.50
  4. Step 4: Simplify right side
    301,603.50x = 198,370,025,156.25
  5. Step 5: Solve for x
    x = 198,370,025,156.25/301,603.50
  6. Step 6: Final answer
    x = 657,717.91

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.