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Finding the Third Proportional to 6,889,090 and 14,831,216

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Solution

The third proportional to 6,889,090 and 14,831,216 is: 31,929,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,090 : 14,831,216 = 14,831,216 : x
  2. Step 2: Convert to fraction form
    6,889,090/14,831,216 = 14,831,216/x
  3. Step 3: Cross multiply
    6,889,090x = 14,831,216 × 14,831,216
  4. Step 4: Simplify right side
    6,889,090x = 219,964,968,038,656
  5. Step 5: Solve for x
    x = 219,964,968,038,656/6,889,090
  6. Step 6: Final answer
    x = 31,929,466.45

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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.