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Finding the Third Proportional to 4,990,295 and 7,520,921

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Solution

The third proportional to 4,990,295 and 7,520,921 is: 11,334,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,295 : 7,520,921 = 7,520,921 : x
  2. Step 2: Convert to fraction form
    4,990,295/7,520,921 = 7,520,921/x
  3. Step 3: Cross multiply
    4,990,295x = 7,520,921 × 7,520,921
  4. Step 4: Simplify right side
    4,990,295x = 56,564,252,688,241
  5. Step 5: Solve for x
    x = 56,564,252,688,241/4,990,295
  6. Step 6: Final answer
    x = 11,334,851.48

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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.