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Finding the Third Proportional to 3,913,988.63 and 7,938,029.25

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Solution

The third proportional to 3,913,988.63 and 7,938,029.25 is: 16,099,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,988.63 : 7,938,029.25 = 7,938,029.25 : x
  2. Step 2: Convert to fraction form
    3,913,988.63/7,938,029.25 = 7,938,029.25/x
  3. Step 3: Cross multiply
    3,913,988.63x = 7,938,029.25 × 7,938,029.25
  4. Step 4: Simplify right side
    3,913,988.63x = 63,012,308,373,855.56
  5. Step 5: Solve for x
    x = 63,012,308,373,855.56/3,913,988.63
  6. Step 6: Final answer
    x = 16,099,256.90

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.