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Finding the Third Proportional to 329,306,446.45 and 718,957,556.92

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Solution

The third proportional to 329,306,446.45 and 718,957,556.92 is: 1,569,662,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306,446.45 : 718,957,556.92 = 718,957,556.92 : x
  2. Step 2: Convert to fraction form
    329,306,446.45/718,957,556.92 = 718,957,556.92/x
  3. Step 3: Cross multiply
    329,306,446.45x = 718,957,556.92 × 718,957,556.92
  4. Step 4: Simplify right side
    329,306,446.45x = 516,899,968,647,385,472
  5. Step 5: Solve for x
    x = 516,899,968,647,385,472/329,306,446.45
  6. Step 6: Final answer
    x = 1,569,662,465.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.