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Finding the Third Proportional to 68,939,505 and 104,841,661.50

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Solution

The third proportional to 68,939,505 and 104,841,661.50 is: 159,440,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939,505 : 104,841,661.50 = 104,841,661.50 : x
  2. Step 2: Convert to fraction form
    68,939,505/104,841,661.50 = 104,841,661.50/x
  3. Step 3: Cross multiply
    68,939,505x = 104,841,661.50 × 104,841,661.50
  4. Step 4: Simplify right side
    68,939,505x = 10,991,773,986,080,582
  5. Step 5: Solve for x
    x = 10,991,773,986,080,582/68,939,505
  6. Step 6: Final answer
    x = 159,440,860.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.