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Finding the Third Proportional to 18,554,609.50 and 28,311,822.50

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Solution

The third proportional to 18,554,609.50 and 28,311,822.50 is: 43,200,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554,609.50 : 28,311,822.50 = 28,311,822.50 : x
  2. Step 2: Convert to fraction form
    18,554,609.50/28,311,822.50 = 28,311,822.50/x
  3. Step 3: Cross multiply
    18,554,609.50x = 28,311,822.50 × 28,311,822.50
  4. Step 4: Simplify right side
    18,554,609.50x = 801,559,293,271,506.25
  5. Step 5: Solve for x
    x = 801,559,293,271,506.25/18,554,609.50
  6. Step 6: Final answer
    x = 43,200,008.78

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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.