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Finding the Third Proportional to 143,292,012 and 310,912,212

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Solution

The third proportional to 143,292,012 and 310,912,212 is: 674,611,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292,012 : 310,912,212 = 310,912,212 : x
  2. Step 2: Convert to fraction form
    143,292,012/310,912,212 = 310,912,212/x
  3. Step 3: Cross multiply
    143,292,012x = 310,912,212 × 310,912,212
  4. Step 4: Simplify right side
    143,292,012x = 96,666,403,570,732,944
  5. Step 5: Solve for x
    x = 96,666,403,570,732,944/143,292,012
  6. Step 6: Final answer
    x = 674,611,251.68

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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.