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Finding the Third Proportional to 58,211 and 88,987

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Solution

The third proportional to 58,211 and 88,987 is: 136,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,211 : 88,987 = 88,987 : x
  2. Step 2: Convert to fraction form
    58,211/88,987 = 88,987/x
  3. Step 3: Cross multiply
    58,211x = 88,987 × 88,987
  4. Step 4: Simplify right side
    58,211x = 7,918,686,169
  5. Step 5: Solve for x
    x = 7,918,686,169/58,211
  6. Step 6: Final answer
    x = 136,034.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.