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Finding the Third Proportional to 53,642,859 and 115,861,353

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Solution

The third proportional to 53,642,859 and 115,861,353 is: 250,244,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642,859 : 115,861,353 = 115,861,353 : x
  2. Step 2: Convert to fraction form
    53,642,859/115,861,353 = 115,861,353/x
  3. Step 3: Cross multiply
    53,642,859x = 115,861,353 × 115,861,353
  4. Step 4: Simplify right side
    53,642,859x = 13,423,853,118,990,608
  5. Step 5: Solve for x
    x = 13,423,853,118,990,608/53,642,859
  6. Step 6: Final answer
    x = 250,244,922.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.