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Finding the Third Proportional to 356,724,206 and 783,598,622

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Solution

The third proportional to 356,724,206 and 783,598,622 is: 1,721,292,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,724,206 : 783,598,622 = 783,598,622 : x
  2. Step 2: Convert to fraction form
    356,724,206/783,598,622 = 783,598,622/x
  3. Step 3: Cross multiply
    356,724,206x = 783,598,622 × 783,598,622
  4. Step 4: Simplify right side
    356,724,206x = 614,026,800,400,298,880
  5. Step 5: Solve for x
    x = 614,026,800,400,298,880/356,724,206
  6. Step 6: Final answer
    x = 1,721,292,780.45

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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.