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Finding the Third Proportional to 124,699.50 and 258,266.63

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Solution

The third proportional to 124,699.50 and 258,266.63 is: 534,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,699.50 : 258,266.63 = 258,266.63 : x
  2. Step 2: Convert to fraction form
    124,699.50/258,266.63 = 258,266.63/x
  3. Step 3: Cross multiply
    124,699.50x = 258,266.63 × 258,266.63
  4. Step 4: Simplify right side
    124,699.50x = 66,701,649,588.89
  5. Step 5: Solve for x
    x = 66,701,649,588.89/124,699.50
  6. Step 6: Final answer
    x = 534,899.09

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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.