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Finding the Third Proportional to 56,057,402 and 121,632,628

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Solution

The third proportional to 56,057,402 and 121,632,628 is: 263,916,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057,402 : 121,632,628 = 121,632,628 : x
  2. Step 2: Convert to fraction form
    56,057,402/121,632,628 = 121,632,628/x
  3. Step 3: Cross multiply
    56,057,402x = 121,632,628 × 121,632,628
  4. Step 4: Simplify right side
    56,057,402x = 14,794,496,194,186,384
  5. Step 5: Solve for x
    x = 14,794,496,194,186,384/56,057,402
  6. Step 6: Final answer
    x = 263,916,907.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.