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Finding the Third Proportional to 366,912 and 788,068

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Solution

The third proportional to 366,912 and 788,068 is: 1,692,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912 : 788,068 = 788,068 : x
  2. Step 2: Convert to fraction form
    366,912/788,068 = 788,068/x
  3. Step 3: Cross multiply
    366,912x = 788,068 × 788,068
  4. Step 4: Simplify right side
    366,912x = 621,051,172,624
  5. Step 5: Solve for x
    x = 621,051,172,624/366,912
  6. Step 6: Final answer
    x = 1,692,643.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.