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Finding the Third Proportional to 18,257,368.50 and 28,255,266

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Solution

The third proportional to 18,257,368.50 and 28,255,266 is: 43,728,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,368.50 : 28,255,266 = 28,255,266 : x
  2. Step 2: Convert to fraction form
    18,257,368.50/28,255,266 = 28,255,266/x
  3. Step 3: Cross multiply
    18,257,368.50x = 28,255,266 × 28,255,266
  4. Step 4: Simplify right side
    18,257,368.50x = 798,360,056,730,756
  5. Step 5: Solve for x
    x = 798,360,056,730,756/18,257,368.50
  6. Step 6: Final answer
    x = 43,728,101.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.