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Finding the Third Proportional to 1,803,554,937 and 3,973,981,309.50

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Solution

The third proportional to 1,803,554,937 and 3,973,981,309.50 is: 8,756,332,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,554,937 : 3,973,981,309.50 = 3,973,981,309.50 : x
  2. Step 2: Convert to fraction form
    1,803,554,937/3,973,981,309.50 = 3,973,981,309.50/x
  3. Step 3: Cross multiply
    1,803,554,937x = 3,973,981,309.50 × 3,973,981,309.50
  4. Step 4: Simplify right side
    1,803,554,937x = 15,792,527,448,255,334,400
  5. Step 5: Solve for x
    x = 15,792,527,448,255,334,400/1,803,554,937
  6. Step 6: Final answer
    x = 8,756,332,909.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.