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Finding the Third Proportional to 356,858.25 and 484,421.25

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Solution

The third proportional to 356,858.25 and 484,421.25 is: 657,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,858.25 : 484,421.25 = 484,421.25 : x
  2. Step 2: Convert to fraction form
    356,858.25/484,421.25 = 484,421.25/x
  3. Step 3: Cross multiply
    356,858.25x = 484,421.25 × 484,421.25
  4. Step 4: Simplify right side
    356,858.25x = 234,663,947,451.56
  5. Step 5: Solve for x
    x = 234,663,947,451.56/356,858.25
  6. Step 6: Final answer
    x = 657,583.08

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.