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Finding the Third Proportional to 7,621,701 and 16,778,676

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Solution

The third proportional to 7,621,701 and 16,778,676 is: 36,937,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,701 : 16,778,676 = 16,778,676 : x
  2. Step 2: Convert to fraction form
    7,621,701/16,778,676 = 16,778,676/x
  3. Step 3: Cross multiply
    7,621,701x = 16,778,676 × 16,778,676
  4. Step 4: Simplify right side
    7,621,701x = 281,523,968,312,976
  5. Step 5: Solve for x
    x = 281,523,968,312,976/7,621,701
  6. Step 6: Final answer
    x = 36,937,157.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.