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Finding the Third Proportional to 6,517,621 and 9,860,316

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Solution

The third proportional to 6,517,621 and 9,860,316 is: 14,917,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,621 : 9,860,316 = 9,860,316 : x
  2. Step 2: Convert to fraction form
    6,517,621/9,860,316 = 9,860,316/x
  3. Step 3: Cross multiply
    6,517,621x = 9,860,316 × 9,860,316
  4. Step 4: Simplify right side
    6,517,621x = 97,225,831,619,856
  5. Step 5: Solve for x
    x = 97,225,831,619,856/6,517,621
  6. Step 6: Final answer
    x = 14,917,380.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.