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Finding the Third Proportional to 124,328 and 268,312

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Solution

The third proportional to 124,328 and 268,312 is: 579,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,328 : 268,312 = 268,312 : x
  2. Step 2: Convert to fraction form
    124,328/268,312 = 268,312/x
  3. Step 3: Cross multiply
    124,328x = 268,312 × 268,312
  4. Step 4: Simplify right side
    124,328x = 71,991,329,344
  5. Step 5: Solve for x
    x = 71,991,329,344/124,328
  6. Step 6: Final answer
    x = 579,043.57

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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.