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Finding the Third Proportional to 142,535.75 and 307,670.50

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Solution

The third proportional to 142,535.75 and 307,670.50 is: 664,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,535.75 : 307,670.50 = 307,670.50 : x
  2. Step 2: Convert to fraction form
    142,535.75/307,670.50 = 307,670.50/x
  3. Step 3: Cross multiply
    142,535.75x = 307,670.50 × 307,670.50
  4. Step 4: Simplify right side
    142,535.75x = 94,661,136,570.25
  5. Step 5: Solve for x
    x = 94,661,136,570.25/142,535.75
  6. Step 6: Final answer
    x = 664,122.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.