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Finding the Third Proportional to 12,363,603 and 18,912,556.50

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Solution

The third proportional to 12,363,603 and 18,912,556.50 is: 28,930,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,603 : 18,912,556.50 = 18,912,556.50 : x
  2. Step 2: Convert to fraction form
    12,363,603/18,912,556.50 = 18,912,556.50/x
  3. Step 3: Cross multiply
    12,363,603x = 18,912,556.50 × 18,912,556.50
  4. Step 4: Simplify right side
    12,363,603x = 357,684,793,365,692.25
  5. Step 5: Solve for x
    x = 357,684,793,365,692.25/12,363,603
  6. Step 6: Final answer
    x = 28,930,465.77

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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.