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Finding the Third Proportional to 51,705,542 and 78,632,859

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Solution

The third proportional to 51,705,542 and 78,632,859 is: 119,583,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705,542 : 78,632,859 = 78,632,859 : x
  2. Step 2: Convert to fraction form
    51,705,542/78,632,859 = 78,632,859/x
  3. Step 3: Cross multiply
    51,705,542x = 78,632,859 × 78,632,859
  4. Step 4: Simplify right side
    51,705,542x = 6,183,126,514,513,881
  5. Step 5: Solve for x
    x = 6,183,126,514,513,881/51,705,542
  6. Step 6: Final answer
    x = 119,583,438.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.