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Finding the Third Proportional to 4,889,500 and 10,620,428

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Solution

The third proportional to 4,889,500 and 10,620,428 is: 23,068,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,500 : 10,620,428 = 10,620,428 : x
  2. Step 2: Convert to fraction form
    4,889,500/10,620,428 = 10,620,428/x
  3. Step 3: Cross multiply
    4,889,500x = 10,620,428 × 10,620,428
  4. Step 4: Simplify right side
    4,889,500x = 112,793,490,903,184
  5. Step 5: Solve for x
    x = 112,793,490,903,184/4,889,500
  6. Step 6: Final answer
    x = 23,068,512.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.