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Finding the Third Proportional to 148,392 and 307,080

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Solution

The third proportional to 148,392 and 307,080 is: 635,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,392 : 307,080 = 307,080 : x
  2. Step 2: Convert to fraction form
    148,392/307,080 = 307,080/x
  3. Step 3: Cross multiply
    148,392x = 307,080 × 307,080
  4. Step 4: Simplify right side
    148,392x = 94,298,126,400
  5. Step 5: Solve for x
    x = 94,298,126,400/148,392
  6. Step 6: Final answer
    x = 635,466.38

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.