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Finding the Third Proportional to 356,724,200 and 783,598,611

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Solution

The third proportional to 356,724,200 and 783,598,611 is: 1,721,292,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,724,200 : 783,598,611 = 783,598,611 : x
  2. Step 2: Convert to fraction form
    356,724,200/783,598,611 = 783,598,611/x
  3. Step 3: Cross multiply
    356,724,200x = 783,598,611 × 783,598,611
  4. Step 4: Simplify right side
    356,724,200x = 614,026,783,161,129,344
  5. Step 5: Solve for x
    x = 614,026,783,161,129,344/356,724,200
  6. Step 6: Final answer
    x = 1,721,292,761.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.