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Finding the Third Proportional to 256,221,439,326 and 551,003,324,220

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Solution

The third proportional to 256,221,439,326 and 551,003,324,220 is: 1,184,930,754,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,221,439,326 : 551,003,324,220 = 551,003,324,220 : x
  2. Step 2: Convert to fraction form
    256,221,439,326/551,003,324,220 = 551,003,324,220/x
  3. Step 3: Cross multiply
    256,221,439,326x = 551,003,324,220 × 551,003,324,220
  4. Step 4: Simplify right side
    256,221,439,326x = 303,604,663,301,490,440,404,992
  5. Step 5: Solve for x
    x = 303,604,663,301,490,440,404,992/256,221,439,326
  6. Step 6: Final answer
    x = 1,184,930,754,038.90

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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.