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Finding the Third Proportional to 10,065,618 and 15,391,170

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Solution

The third proportional to 10,065,618 and 15,391,170 is: 23,534,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,618 : 15,391,170 = 15,391,170 : x
  2. Step 2: Convert to fraction form
    10,065,618/15,391,170 = 15,391,170/x
  3. Step 3: Cross multiply
    10,065,618x = 15,391,170 × 15,391,170
  4. Step 4: Simplify right side
    10,065,618x = 236,888,113,968,900
  5. Step 5: Solve for x
    x = 236,888,113,968,900/10,065,618
  6. Step 6: Final answer
    x = 23,534,383.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.