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Finding the Third Proportional to 10,299,420 and 15,933,420.75

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Solution

The third proportional to 10,299,420 and 15,933,420.75 is: 24,649,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299,420 : 15,933,420.75 = 15,933,420.75 : x
  2. Step 2: Convert to fraction form
    10,299,420/15,933,420.75 = 15,933,420.75/x
  3. Step 3: Cross multiply
    10,299,420x = 15,933,420.75 × 15,933,420.75
  4. Step 4: Simplify right side
    10,299,420x = 253,873,896,796,530.56
  5. Step 5: Solve for x
    x = 253,873,896,796,530.56/10,299,420
  6. Step 6: Final answer
    x = 24,649,339.17

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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.