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Finding the Third Proportional to 781,015.50 and 1,624,239

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Solution

The third proportional to 781,015.50 and 1,624,239 is: 3,377,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,015.50 : 1,624,239 = 1,624,239 : x
  2. Step 2: Convert to fraction form
    781,015.50/1,624,239 = 1,624,239/x
  3. Step 3: Cross multiply
    781,015.50x = 1,624,239 × 1,624,239
  4. Step 4: Simplify right side
    781,015.50x = 2,638,152,329,121
  5. Step 5: Solve for x
    x = 2,638,152,329,121/781,015.50
  6. Step 6: Final answer
    x = 3,377,848.88

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.