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Finding the Third Proportional to 685,738,227.80 and 1,502,484,965.86

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Solution

The third proportional to 685,738,227.80 and 1,502,484,965.86 is: 3,292,015,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,738,227.80 : 1,502,484,965.86 = 1,502,484,965.86 : x
  2. Step 2: Convert to fraction form
    685,738,227.80/1,502,484,965.86 = 1,502,484,965.86/x
  3. Step 3: Cross multiply
    685,738,227.80x = 1,502,484,965.86 × 1,502,484,965.86
  4. Step 4: Simplify right side
    685,738,227.80x = 2,257,461,072,633,221,632
  5. Step 5: Solve for x
    x = 2,257,461,072,633,221,632/685,738,227.80
  6. Step 6: Final answer
    x = 3,292,015,788.42

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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.