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Finding the Third Proportional to 379,063.13 and 553,770

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Solution

The third proportional to 379,063.13 and 553,770 is: 808,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,063.13 : 553,770 = 553,770 : x
  2. Step 2: Convert to fraction form
    379,063.13/553,770 = 553,770/x
  3. Step 3: Cross multiply
    379,063.13x = 553,770 × 553,770
  4. Step 4: Simplify right side
    379,063.13x = 306,661,212,900
  5. Step 5: Solve for x
    x = 306,661,212,900/379,063.13
  6. Step 6: Final answer
    x = 808,997.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.