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Finding the Third Proportional to 3,772,946 and 8,143,672

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Solution

The third proportional to 3,772,946 and 8,143,672 is: 17,577,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772,946 : 8,143,672 = 8,143,672 : x
  2. Step 2: Convert to fraction form
    3,772,946/8,143,672 = 8,143,672/x
  3. Step 3: Cross multiply
    3,772,946x = 8,143,672 × 8,143,672
  4. Step 4: Simplify right side
    3,772,946x = 66,319,393,643,584
  5. Step 5: Solve for x
    x = 66,319,393,643,584/3,772,946
  6. Step 6: Final answer
    x = 17,577,615.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.