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Finding the Third Proportional to 58,242 and 124,789

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Solution

The third proportional to 58,242 and 124,789 is: 267,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,242 : 124,789 = 124,789 : x
  2. Step 2: Convert to fraction form
    58,242/124,789 = 124,789/x
  3. Step 3: Cross multiply
    58,242x = 124,789 × 124,789
  4. Step 4: Simplify right side
    58,242x = 15,572,294,521
  5. Step 5: Solve for x
    x = 15,572,294,521/58,242
  6. Step 6: Final answer
    x = 267,372.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.