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Finding the Third Proportional to 18,582,265,035 and 28,406,636,509.50

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Solution

The third proportional to 18,582,265,035 and 28,406,636,509.50 is: 43,425,115,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582,265,035 : 28,406,636,509.50 = 28,406,636,509.50 : x
  2. Step 2: Convert to fraction form
    18,582,265,035/28,406,636,509.50 = 28,406,636,509.50/x
  3. Step 3: Cross multiply
    18,582,265,035x = 28,406,636,509.50 × 28,406,636,509.50
  4. Step 4: Simplify right side
    18,582,265,035x = 806,936,997,782,858,366,976
  5. Step 5: Solve for x
    x = 806,936,997,782,858,366,976/18,582,265,035
  6. Step 6: Final answer
    x = 43,425,115,090.27

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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.