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Finding the Third Proportional to 3,879,495 and 8,430,500.25

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Solution

The third proportional to 3,879,495 and 8,430,500.25 is: 18,320,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,495 : 8,430,500.25 = 8,430,500.25 : x
  2. Step 2: Convert to fraction form
    3,879,495/8,430,500.25 = 8,430,500.25/x
  3. Step 3: Cross multiply
    3,879,495x = 8,430,500.25 × 8,430,500.25
  4. Step 4: Simplify right side
    3,879,495x = 71,073,334,465,250.06
  5. Step 5: Solve for x
    x = 71,073,334,465,250.06/3,879,495
  6. Step 6: Final answer
    x = 18,320,254.17

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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.