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Finding the Third Proportional to 116,918 and 255,712

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Solution

The third proportional to 116,918 and 255,712 is: 559,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,918 : 255,712 = 255,712 : x
  2. Step 2: Convert to fraction form
    116,918/255,712 = 255,712/x
  3. Step 3: Cross multiply
    116,918x = 255,712 × 255,712
  4. Step 4: Simplify right side
    116,918x = 65,388,626,944
  5. Step 5: Solve for x
    x = 65,388,626,944/116,918
  6. Step 6: Final answer
    x = 559,269.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.