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Finding the Third Proportional to 6,688 and 14,492

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Solution

The third proportional to 6,688 and 14,492 is: 31,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688 : 14,492 = 14,492 : x
  2. Step 2: Convert to fraction form
    6,688/14,492 = 14,492/x
  3. Step 3: Cross multiply
    6,688x = 14,492 × 14,492
  4. Step 4: Simplify right side
    6,688x = 210,018,064
  5. Step 5: Solve for x
    x = 210,018,064/6,688
  6. Step 6: Final answer
    x = 31,402.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.