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Finding the Third Proportional to 114,553 and 251,688

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Solution

The third proportional to 114,553 and 251,688 is: 552,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,553 : 251,688 = 251,688 : x
  2. Step 2: Convert to fraction form
    114,553/251,688 = 251,688/x
  3. Step 3: Cross multiply
    114,553x = 251,688 × 251,688
  4. Step 4: Simplify right side
    114,553x = 63,346,849,344
  5. Step 5: Solve for x
    x = 63,346,849,344/114,553
  6. Step 6: Final answer
    x = 552,991.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.