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Finding the Third Proportional to 273,017,630 and 386,311,575

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Solution

The third proportional to 273,017,630 and 386,311,575 is: 546,619,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,017,630 : 386,311,575 = 386,311,575 : x
  2. Step 2: Convert to fraction form
    273,017,630/386,311,575 = 386,311,575/x
  3. Step 3: Cross multiply
    273,017,630x = 386,311,575 × 386,311,575
  4. Step 4: Simplify right side
    273,017,630x = 149,236,632,978,980,640
  5. Step 5: Solve for x
    x = 149,236,632,978,980,640/273,017,630
  6. Step 6: Final answer
    x = 546,619,033.28

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.