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Finding the Third Proportional to 172,274,638 and 264,798,051

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Solution

The third proportional to 172,274,638 and 264,798,051 is: 407,012,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,274,638 : 264,798,051 = 264,798,051 : x
  2. Step 2: Convert to fraction form
    172,274,638/264,798,051 = 264,798,051/x
  3. Step 3: Cross multiply
    172,274,638x = 264,798,051 × 264,798,051
  4. Step 4: Simplify right side
    172,274,638x = 70,118,007,813,398,600
  5. Step 5: Solve for x
    x = 70,118,007,813,398,600/172,274,638
  6. Step 6: Final answer
    x = 407,012,945.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.