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Finding the Third Proportional to 60,688 and 131,312

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Solution

The third proportional to 60,688 and 131,312 is: 284,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,688 : 131,312 = 131,312 : x
  2. Step 2: Convert to fraction form
    60,688/131,312 = 131,312/x
  3. Step 3: Cross multiply
    60,688x = 131,312 × 131,312
  4. Step 4: Simplify right side
    60,688x = 17,242,841,344
  5. Step 5: Solve for x
    x = 17,242,841,344/60,688
  6. Step 6: Final answer
    x = 284,122.75

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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.