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Finding the Third Proportional to 4,819,272 and 10,135,538

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Solution

The third proportional to 4,819,272 and 10,135,538 is: 21,316,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819,272 : 10,135,538 = 10,135,538 : x
  2. Step 2: Convert to fraction form
    4,819,272/10,135,538 = 10,135,538/x
  3. Step 3: Cross multiply
    4,819,272x = 10,135,538 × 10,135,538
  4. Step 4: Simplify right side
    4,819,272x = 102,729,130,549,444
  5. Step 5: Solve for x
    x = 102,729,130,549,444/4,819,272
  6. Step 6: Final answer
    x = 21,316,317.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.