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Finding the Third Proportional to 79,783,891.31 and 174,701,275.88

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Solution

The third proportional to 79,783,891.31 and 174,701,275.88 is: 382,540,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,783,891.31 : 174,701,275.88 = 174,701,275.88 : x
  2. Step 2: Convert to fraction form
    79,783,891.31/174,701,275.88 = 174,701,275.88/x
  3. Step 3: Cross multiply
    79,783,891.31x = 174,701,275.88 × 174,701,275.88
  4. Step 4: Simplify right side
    79,783,891.31x = 30,520,535,792,352,856
  5. Step 5: Solve for x
    x = 30,520,535,792,352,856/79,783,891.31
  6. Step 6: Final answer
    x = 382,540,075.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.