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Finding the Third Proportional to 2,631,823.88 and 5,655,120.75

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Solution

The third proportional to 2,631,823.88 and 5,655,120.75 is: 12,151,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,823.88 : 5,655,120.75 = 5,655,120.75 : x
  2. Step 2: Convert to fraction form
    2,631,823.88/5,655,120.75 = 5,655,120.75/x
  3. Step 3: Cross multiply
    2,631,823.88x = 5,655,120.75 × 5,655,120.75
  4. Step 4: Simplify right side
    2,631,823.88x = 31,980,390,697,080.56
  5. Step 5: Solve for x
    x = 31,980,390,697,080.56/2,631,823.88
  6. Step 6: Final answer
    x = 12,151,417.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.