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Finding the Third Proportional to 20,909,601 and 45,293,692.50

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Solution

The third proportional to 20,909,601 and 45,293,692.50 is: 98,113,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,909,601 : 45,293,692.50 = 45,293,692.50 : x
  2. Step 2: Convert to fraction form
    20,909,601/45,293,692.50 = 45,293,692.50/x
  3. Step 3: Cross multiply
    20,909,601x = 45,293,692.50 × 45,293,692.50
  4. Step 4: Simplify right side
    20,909,601x = 2,051,518,580,284,556.25
  5. Step 5: Solve for x
    x = 2,051,518,580,284,556.25/20,909,601
  6. Step 6: Final answer
    x = 98,113,712.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.