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Finding the Third Proportional to 53,642,855.81 and 115,861,347

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Solution

The third proportional to 53,642,855.81 and 115,861,347 is: 250,244,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642,855.81 : 115,861,347 = 115,861,347 : x
  2. Step 2: Convert to fraction form
    53,642,855.81/115,861,347 = 115,861,347/x
  3. Step 3: Cross multiply
    53,642,855.81x = 115,861,347 × 115,861,347
  4. Step 4: Simplify right side
    53,642,855.81x = 13,423,851,728,654,408
  5. Step 5: Solve for x
    x = 13,423,851,728,654,408/53,642,855.81
  6. Step 6: Final answer
    x = 250,244,911.93

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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.