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Finding the Third Proportional to 30,271.50 and 39,970.50

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Solution

The third proportional to 30,271.50 and 39,970.50 is: 52,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.50 : 39,970.50 = 39,970.50 : x
  2. Step 2: Convert to fraction form
    30,271.50/39,970.50 = 39,970.50/x
  3. Step 3: Cross multiply
    30,271.50x = 39,970.50 × 39,970.50
  4. Step 4: Simplify right side
    30,271.50x = 1,597,640,870.25
  5. Step 5: Solve for x
    x = 1,597,640,870.25/30,271.50
  6. Step 6: Final answer
    x = 52,777.06

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These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.