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Finding the Third Proportional to 252,607.50 and 386,203.50

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Solution

The third proportional to 252,607.50 and 386,203.50 is: 590,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.50 : 386,203.50 = 386,203.50 : x
  2. Step 2: Convert to fraction form
    252,607.50/386,203.50 = 386,203.50/x
  3. Step 3: Cross multiply
    252,607.50x = 386,203.50 × 386,203.50
  4. Step 4: Simplify right side
    252,607.50x = 149,153,143,412.25
  5. Step 5: Solve for x
    x = 149,153,143,412.25/252,607.50
  6. Step 6: Final answer
    x = 590,454.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.