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Finding the Third Proportional to 347,686,920 and 736,826,238

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Solution

The third proportional to 347,686,920 and 736,826,238 is: 1,561,499,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,686,920 : 736,826,238 = 736,826,238 : x
  2. Step 2: Convert to fraction form
    347,686,920/736,826,238 = 736,826,238/x
  3. Step 3: Cross multiply
    347,686,920x = 736,826,238 × 736,826,238
  4. Step 4: Simplify right side
    347,686,920x = 542,912,905,005,232,640
  5. Step 5: Solve for x
    x = 542,912,905,005,232,640/347,686,920
  6. Step 6: Final answer
    x = 1,561,499,365.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.