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Finding the Third Proportional to 59,283 and 90,429.75

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Solution

The third proportional to 59,283 and 90,429.75 is: 137,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,283 : 90,429.75 = 90,429.75 : x
  2. Step 2: Convert to fraction form
    59,283/90,429.75 = 90,429.75/x
  3. Step 3: Cross multiply
    59,283x = 90,429.75 × 90,429.75
  4. Step 4: Simplify right side
    59,283x = 8,177,539,685.06
  5. Step 5: Solve for x
    x = 8,177,539,685.06/59,283
  6. Step 6: Final answer
    x = 137,940.72

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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.