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Finding the Third Proportional to 356,696 and 554,088

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Solution

The third proportional to 356,696 and 554,088 is: 860,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,696 : 554,088 = 554,088 : x
  2. Step 2: Convert to fraction form
    356,696/554,088 = 554,088/x
  3. Step 3: Cross multiply
    356,696x = 554,088 × 554,088
  4. Step 4: Simplify right side
    356,696x = 307,013,511,744
  5. Step 5: Solve for x
    x = 307,013,511,744/356,696
  6. Step 6: Final answer
    x = 860,714.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.