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Finding the Third Proportional to 197,201,703.75 and 307,740,781.50

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Solution

The third proportional to 197,201,703.75 and 307,740,781.50 is: 480,241,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,201,703.75 : 307,740,781.50 = 307,740,781.50 : x
  2. Step 2: Convert to fraction form
    197,201,703.75/307,740,781.50 = 307,740,781.50/x
  3. Step 3: Cross multiply
    197,201,703.75x = 307,740,781.50 × 307,740,781.50
  4. Step 4: Simplify right side
    197,201,703.75x = 94,704,388,598,230,736
  5. Step 5: Solve for x
    x = 94,704,388,598,230,736/197,201,703.75
  6. Step 6: Final answer
    x = 480,241,229.14

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.