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Finding the Third Proportional to 70,322.50 and 93,939

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Solution

The third proportional to 70,322.50 and 93,939 is: 125,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.50 : 93,939 = 93,939 : x
  2. Step 2: Convert to fraction form
    70,322.50/93,939 = 93,939/x
  3. Step 3: Cross multiply
    70,322.50x = 93,939 × 93,939
  4. Step 4: Simplify right side
    70,322.50x = 8,824,535,721
  5. Step 5: Solve for x
    x = 8,824,535,721/70,322.50
  6. Step 6: Final answer
    x = 125,486.66

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.