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Finding the Third Proportional to 1,525,903.31 and 3,291,381.84

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Solution

The third proportional to 1,525,903.31 and 3,291,381.84 is: 7,099,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,903.31 : 3,291,381.84 = 3,291,381.84 : x
  2. Step 2: Convert to fraction form
    1,525,903.31/3,291,381.84 = 3,291,381.84/x
  3. Step 3: Cross multiply
    1,525,903.31x = 3,291,381.84 × 3,291,381.84
  4. Step 4: Simplify right side
    1,525,903.31x = 10,833,194,441,367.15
  5. Step 5: Solve for x
    x = 10,833,194,441,367.15/1,525,903.31
  6. Step 6: Final answer
    x = 7,099,528.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.