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Finding the Third Proportional to 5,645,394 and 8,480,851

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Solution

The third proportional to 5,645,394 and 8,480,851 is: 12,740,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,394 : 8,480,851 = 8,480,851 : x
  2. Step 2: Convert to fraction form
    5,645,394/8,480,851 = 8,480,851/x
  3. Step 3: Cross multiply
    5,645,394x = 8,480,851 × 8,480,851
  4. Step 4: Simplify right side
    5,645,394x = 71,924,833,684,201
  5. Step 5: Solve for x
    x = 71,924,833,684,201/5,645,394
  6. Step 6: Final answer
    x = 12,740,445.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.