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Finding the Third Proportional to 138,984 and 303,060

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Solution

The third proportional to 138,984 and 303,060 is: 660,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,984 : 303,060 = 303,060 : x
  2. Step 2: Convert to fraction form
    138,984/303,060 = 303,060/x
  3. Step 3: Cross multiply
    138,984x = 303,060 × 303,060
  4. Step 4: Simplify right side
    138,984x = 91,845,363,600
  5. Step 5: Solve for x
    x = 91,845,363,600/138,984
  6. Step 6: Final answer
    x = 660,834.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.