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Finding the Third Proportional to 173,419,345 and 253,617,507

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Solution

The third proportional to 173,419,345 and 253,617,507 is: 370,903,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419,345 : 253,617,507 = 253,617,507 : x
  2. Step 2: Convert to fraction form
    173,419,345/253,617,507 = 253,617,507/x
  3. Step 3: Cross multiply
    173,419,345x = 253,617,507 × 253,617,507
  4. Step 4: Simplify right side
    173,419,345x = 64,321,839,856,895,048
  5. Step 5: Solve for x
    x = 64,321,839,856,895,048/173,419,345
  6. Step 6: Final answer
    x = 370,903,487.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.