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Finding the Third Proportional to 13,329,815,309 and 28,665,721,978

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Solution

The third proportional to 13,329,815,309 and 28,665,721,978 is: 61,645,536,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,815,309 : 28,665,721,978 = 28,665,721,978 : x
  2. Step 2: Convert to fraction form
    13,329,815,309/28,665,721,978 = 28,665,721,978/x
  3. Step 3: Cross multiply
    13,329,815,309x = 28,665,721,978 × 28,665,721,978
  4. Step 4: Simplify right side
    13,329,815,309x = 821,723,616,519,992,246,272
  5. Step 5: Solve for x
    x = 821,723,616,519,992,246,272/13,329,815,309
  6. Step 6: Final answer
    x = 61,645,536,526.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.