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Finding the Third Proportional to 62,008 and 90,858

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Solution

The third proportional to 62,008 and 90,858 is: 133,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,008 : 90,858 = 90,858 : x
  2. Step 2: Convert to fraction form
    62,008/90,858 = 90,858/x
  3. Step 3: Cross multiply
    62,008x = 90,858 × 90,858
  4. Step 4: Simplify right side
    62,008x = 8,255,176,164
  5. Step 5: Solve for x
    x = 8,255,176,164/62,008
  6. Step 6: Final answer
    x = 133,130.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.