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Finding the Third Proportional to 141,792 and 306,856

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Solution

The third proportional to 141,792 and 306,856 is: 664,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,792 : 306,856 = 306,856 : x
  2. Step 2: Convert to fraction form
    141,792/306,856 = 306,856/x
  3. Step 3: Cross multiply
    141,792x = 306,856 × 306,856
  4. Step 4: Simplify right side
    141,792x = 94,160,604,736
  5. Step 5: Solve for x
    x = 94,160,604,736/141,792
  6. Step 6: Final answer
    x = 664,075.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.