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Finding the Third Proportional to 292,842 and 442,954

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Solution

The third proportional to 292,842 and 442,954 is: 670,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,842 : 442,954 = 442,954 : x
  2. Step 2: Convert to fraction form
    292,842/442,954 = 442,954/x
  3. Step 3: Cross multiply
    292,842x = 442,954 × 442,954
  4. Step 4: Simplify right side
    292,842x = 196,208,246,116
  5. Step 5: Solve for x
    x = 196,208,246,116/292,842
  6. Step 6: Final answer
    x = 670,014.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.