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Finding the Third Proportional to 58,785 and 84,028

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Solution

The third proportional to 58,785 and 84,028 is: 120,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785 : 84,028 = 84,028 : x
  2. Step 2: Convert to fraction form
    58,785/84,028 = 84,028/x
  3. Step 3: Cross multiply
    58,785x = 84,028 × 84,028
  4. Step 4: Simplify right side
    58,785x = 7,060,704,784
  5. Step 5: Solve for x
    x = 7,060,704,784/58,785
  6. Step 6: Final answer
    x = 120,110.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.