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Finding the Third Proportional to 296,323,145.44 and 638,159,127.75

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Solution

The third proportional to 296,323,145.44 and 638,159,127.75 is: 1,374,334,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,323,145.44 : 638,159,127.75 = 638,159,127.75 : x
  2. Step 2: Convert to fraction form
    296,323,145.44/638,159,127.75 = 638,159,127.75/x
  3. Step 3: Cross multiply
    296,323,145.44x = 638,159,127.75 × 638,159,127.75
  4. Step 4: Simplify right side
    296,323,145.44x = 407,247,072,330,640,832
  5. Step 5: Solve for x
    x = 407,247,072,330,640,832/296,323,145.44
  6. Step 6: Final answer
    x = 1,374,334,332.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.