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Finding the Third Proportional to 76,428 and 118,050

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Solution

The third proportional to 76,428 and 118,050 is: 182,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,428 : 118,050 = 118,050 : x
  2. Step 2: Convert to fraction form
    76,428/118,050 = 118,050/x
  3. Step 3: Cross multiply
    76,428x = 118,050 × 118,050
  4. Step 4: Simplify right side
    76,428x = 13,935,802,500
  5. Step 5: Solve for x
    x = 13,935,802,500/76,428
  6. Step 6: Final answer
    x = 182,338.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.