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Finding the Third Proportional to 296,121 and 422,032.50

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Solution

The third proportional to 296,121 and 422,032.50 is: 601,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,121 : 422,032.50 = 422,032.50 : x
  2. Step 2: Convert to fraction form
    296,121/422,032.50 = 422,032.50/x
  3. Step 3: Cross multiply
    296,121x = 422,032.50 × 422,032.50
  4. Step 4: Simplify right side
    296,121x = 178,111,431,056.25
  5. Step 5: Solve for x
    x = 178,111,431,056.25/296,121
  6. Step 6: Final answer
    x = 601,481.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.