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Finding the Third Proportional to 1,258,819.25 and 2,716,655.50

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Solution

The third proportional to 1,258,819.25 and 2,716,655.50 is: 5,862,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,819.25 : 2,716,655.50 = 2,716,655.50 : x
  2. Step 2: Convert to fraction form
    1,258,819.25/2,716,655.50 = 2,716,655.50/x
  3. Step 3: Cross multiply
    1,258,819.25x = 2,716,655.50 × 2,716,655.50
  4. Step 4: Simplify right side
    1,258,819.25x = 7,380,217,105,680.25
  5. Step 5: Solve for x
    x = 7,380,217,105,680.25/1,258,819.25
  6. Step 6: Final answer
    x = 5,862,809.22

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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.