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Finding the Third Proportional to 4,993,989 and 10,731,421

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Solution

The third proportional to 4,993,989 and 10,731,421 is: 23,060,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,989 : 10,731,421 = 10,731,421 : x
  2. Step 2: Convert to fraction form
    4,993,989/10,731,421 = 10,731,421/x
  3. Step 3: Cross multiply
    4,993,989x = 10,731,421 × 10,731,421
  4. Step 4: Simplify right side
    4,993,989x = 115,163,396,679,241
  5. Step 5: Solve for x
    x = 115,163,396,679,241/4,993,989
  6. Step 6: Final answer
    x = 23,060,402.55

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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.