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Finding the Third Proportional to 77,285.25 and 162,875.25

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Solution

The third proportional to 77,285.25 and 162,875.25 is: 343,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.25 : 162,875.25 = 162,875.25 : x
  2. Step 2: Convert to fraction form
    77,285.25/162,875.25 = 162,875.25/x
  3. Step 3: Cross multiply
    77,285.25x = 162,875.25 × 162,875.25
  4. Step 4: Simplify right side
    77,285.25x = 26,528,347,062.56
  5. Step 5: Solve for x
    x = 26,528,347,062.56/77,285.25
  6. Step 6: Final answer
    x = 343,252.39

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.