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Finding the Third Proportional to 179,513,782.50 and 393,077,920.50

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Solution

The third proportional to 179,513,782.50 and 393,077,920.50 is: 860,715,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,513,782.50 : 393,077,920.50 = 393,077,920.50 : x
  2. Step 2: Convert to fraction form
    179,513,782.50/393,077,920.50 = 393,077,920.50/x
  3. Step 3: Cross multiply
    179,513,782.50x = 393,077,920.50 × 393,077,920.50
  4. Step 4: Simplify right side
    179,513,782.50x = 154,510,251,584,604,320
  5. Step 5: Solve for x
    x = 154,510,251,584,604,320/179,513,782.50
  6. Step 6: Final answer
    x = 860,715,257.81

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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.