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Finding the Third Proportional to 39,460.50 and 83,133

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Solution

The third proportional to 39,460.50 and 83,133 is: 175,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,460.50 : 83,133 = 83,133 : x
  2. Step 2: Convert to fraction form
    39,460.50/83,133 = 83,133/x
  3. Step 3: Cross multiply
    39,460.50x = 83,133 × 83,133
  4. Step 4: Simplify right side
    39,460.50x = 6,911,095,689
  5. Step 5: Solve for x
    x = 6,911,095,689/39,460.50
  6. Step 6: Final answer
    x = 175,139.59

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.