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Finding the Third Proportional to 4,611,466 and 9,905,258

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Solution

The third proportional to 4,611,466 and 9,905,258 is: 21,276,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611,466 : 9,905,258 = 9,905,258 : x
  2. Step 2: Convert to fraction form
    4,611,466/9,905,258 = 9,905,258/x
  3. Step 3: Cross multiply
    4,611,466x = 9,905,258 × 9,905,258
  4. Step 4: Simplify right side
    4,611,466x = 98,114,136,046,564
  5. Step 5: Solve for x
    x = 98,114,136,046,564/4,611,466
  6. Step 6: Final answer
    x = 21,276,126.95

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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.