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Finding the Third Proportional to 356,724,203 and 783,598,617

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Solution

The third proportional to 356,724,203 and 783,598,617 is: 1,721,292,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,724,203 : 783,598,617 = 783,598,617 : x
  2. Step 2: Convert to fraction form
    356,724,203/783,598,617 = 783,598,617/x
  3. Step 3: Cross multiply
    356,724,203x = 783,598,617 × 783,598,617
  4. Step 4: Simplify right side
    356,724,203x = 614,026,792,564,312,704
  5. Step 5: Solve for x
    x = 614,026,792,564,312,704/356,724,203
  6. Step 6: Final answer
    x = 1,721,292,772.96

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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.