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Finding the Third Proportional to 310,322 and 442,944

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Solution

The third proportional to 310,322 and 442,944 is: 632,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,322 : 442,944 = 442,944 : x
  2. Step 2: Convert to fraction form
    310,322/442,944 = 442,944/x
  3. Step 3: Cross multiply
    310,322x = 442,944 × 442,944
  4. Step 4: Simplify right side
    310,322x = 196,199,387,136
  5. Step 5: Solve for x
    x = 196,199,387,136/310,322
  6. Step 6: Final answer
    x = 632,244.53

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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.