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Finding the Third Proportional to 3,915,466 and 8,430,749

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Solution

The third proportional to 3,915,466 and 8,430,749 is: 18,153,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,466 : 8,430,749 = 8,430,749 : x
  2. Step 2: Convert to fraction form
    3,915,466/8,430,749 = 8,430,749/x
  3. Step 3: Cross multiply
    3,915,466x = 8,430,749 × 8,430,749
  4. Step 4: Simplify right side
    3,915,466x = 71,077,528,701,001
  5. Step 5: Solve for x
    x = 71,077,528,701,001/3,915,466
  6. Step 6: Final answer
    x = 18,153,019.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.