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Finding the Third Proportional to 216,622,542 and 343,290,606

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Solution

The third proportional to 216,622,542 and 343,290,606 is: 544,026,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,622,542 : 343,290,606 = 343,290,606 : x
  2. Step 2: Convert to fraction form
    216,622,542/343,290,606 = 343,290,606/x
  3. Step 3: Cross multiply
    216,622,542x = 343,290,606 × 343,290,606
  4. Step 4: Simplify right side
    216,622,542x = 117,848,440,167,847,232
  5. Step 5: Solve for x
    x = 117,848,440,167,847,232/216,622,542
  6. Step 6: Final answer
    x = 544,026,669.98

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.