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Finding the Third Proportional to 10,611,141.75 and 15,017,816.25

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Solution

The third proportional to 10,611,141.75 and 15,017,816.25 is: 21,254,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611,141.75 : 15,017,816.25 = 15,017,816.25 : x
  2. Step 2: Convert to fraction form
    10,611,141.75/15,017,816.25 = 15,017,816.25/x
  3. Step 3: Cross multiply
    10,611,141.75x = 15,017,816.25 × 15,017,816.25
  4. Step 4: Simplify right side
    10,611,141.75x = 225,534,804,918,764.06
  5. Step 5: Solve for x
    x = 225,534,804,918,764.06/10,611,141.75
  6. Step 6: Final answer
    x = 21,254,527.57

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.