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Finding the Third Proportional to 58,641 and 138,292.50

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Solution

The third proportional to 58,641 and 138,292.50 is: 326,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,641 : 138,292.50 = 138,292.50 : x
  2. Step 2: Convert to fraction form
    58,641/138,292.50 = 138,292.50/x
  3. Step 3: Cross multiply
    58,641x = 138,292.50 × 138,292.50
  4. Step 4: Simplify right side
    58,641x = 19,124,815,556.25
  5. Step 5: Solve for x
    x = 19,124,815,556.25/58,641
  6. Step 6: Final answer
    x = 326,133.86

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.