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Finding the Third Proportional to 358,726 and 768,968

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Solution

The third proportional to 358,726 and 768,968 is: 1,648,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,726 : 768,968 = 768,968 : x
  2. Step 2: Convert to fraction form
    358,726/768,968 = 768,968/x
  3. Step 3: Cross multiply
    358,726x = 768,968 × 768,968
  4. Step 4: Simplify right side
    358,726x = 591,311,785,024
  5. Step 5: Solve for x
    x = 591,311,785,024/358,726
  6. Step 6: Final answer
    x = 1,648,366.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.