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Finding the Third Proportional to 137,953 and 302,402

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Solution

The third proportional to 137,953 and 302,402 is: 662,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,953 : 302,402 = 302,402 : x
  2. Step 2: Convert to fraction form
    137,953/302,402 = 302,402/x
  3. Step 3: Cross multiply
    137,953x = 302,402 × 302,402
  4. Step 4: Simplify right side
    137,953x = 91,446,969,604
  5. Step 5: Solve for x
    x = 91,446,969,604/137,953
  6. Step 6: Final answer
    x = 662,884.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.