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Finding the Third Proportional to 77,552,868 and 168,030,690

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Solution

The third proportional to 77,552,868 and 168,030,690 is: 364,065,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552,868 : 168,030,690 = 168,030,690 : x
  2. Step 2: Convert to fraction form
    77,552,868/168,030,690 = 168,030,690/x
  3. Step 3: Cross multiply
    77,552,868x = 168,030,690 × 168,030,690
  4. Step 4: Simplify right side
    77,552,868x = 28,234,312,781,876,100
  5. Step 5: Solve for x
    x = 28,234,312,781,876,100/77,552,868
  6. Step 6: Final answer
    x = 364,065,359.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.