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Finding the Third Proportional to 15,030.50 and 22,120.50

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Solution

The third proportional to 15,030.50 and 22,120.50 is: 32,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.50 : 22,120.50 = 22,120.50 : x
  2. Step 2: Convert to fraction form
    15,030.50/22,120.50 = 22,120.50/x
  3. Step 3: Cross multiply
    15,030.50x = 22,120.50 × 22,120.50
  4. Step 4: Simplify right side
    15,030.50x = 489,316,520.25
  5. Step 5: Solve for x
    x = 489,316,520.25/15,030.50
  6. Step 6: Final answer
    x = 32,554.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.