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Finding the Third Proportional to 91,623,840 and 196,363,356

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Solution

The third proportional to 91,623,840 and 196,363,356 is: 420,835,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623,840 : 196,363,356 = 196,363,356 : x
  2. Step 2: Convert to fraction form
    91,623,840/196,363,356 = 196,363,356/x
  3. Step 3: Cross multiply
    91,623,840x = 196,363,356 × 196,363,356
  4. Step 4: Simplify right side
    91,623,840x = 38,558,567,579,582,736
  5. Step 5: Solve for x
    x = 38,558,567,579,582,736/91,623,840
  6. Step 6: Final answer
    x = 420,835,533.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.