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Finding the Third Proportional to 283,329.56 and 392,693.06

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Solution

The third proportional to 283,329.56 and 392,693.06 is: 544,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,329.56 : 392,693.06 = 392,693.06 : x
  2. Step 2: Convert to fraction form
    283,329.56/392,693.06 = 392,693.06/x
  3. Step 3: Cross multiply
    283,329.56x = 392,693.06 × 392,693.06
  4. Step 4: Simplify right side
    283,329.56x = 154,207,841,335.63
  5. Step 5: Solve for x
    x = 154,207,841,335.63/283,329.56
  6. Step 6: Final answer
    x = 544,270.21

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.