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Finding the Third Proportional to 10,212,561 and 15,812,556.75

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Solution

The third proportional to 10,212,561 and 15,812,556.75 is: 24,483,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,561 : 15,812,556.75 = 15,812,556.75 : x
  2. Step 2: Convert to fraction form
    10,212,561/15,812,556.75 = 15,812,556.75/x
  3. Step 3: Cross multiply
    10,212,561x = 15,812,556.75 × 15,812,556.75
  4. Step 4: Simplify right side
    10,212,561x = 250,036,950,971,970.56
  5. Step 5: Solve for x
    x = 250,036,950,971,970.56/10,212,561
  6. Step 6: Final answer
    x = 24,483,276.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.