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Finding the Third Proportional to 124,708 and 258,283

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Solution

The third proportional to 124,708 and 258,283 is: 534,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,708 : 258,283 = 258,283 : x
  2. Step 2: Convert to fraction form
    124,708/258,283 = 258,283/x
  3. Step 3: Cross multiply
    124,708x = 258,283 × 258,283
  4. Step 4: Simplify right side
    124,708x = 66,710,108,089
  5. Step 5: Solve for x
    x = 66,710,108,089/124,708
  6. Step 6: Final answer
    x = 534,930.46

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.