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Finding the Third Proportional to 357,088.50 and 484,425

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Solution

The third proportional to 357,088.50 and 484,425 is: 657,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,088.50 : 484,425 = 484,425 : x
  2. Step 2: Convert to fraction form
    357,088.50/484,425 = 484,425/x
  3. Step 3: Cross multiply
    357,088.50x = 484,425 × 484,425
  4. Step 4: Simplify right side
    357,088.50x = 234,667,580,625
  5. Step 5: Solve for x
    x = 234,667,580,625/357,088.50
  6. Step 6: Final answer
    x = 657,169.25

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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.