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Finding the Third Proportional to 718,321 and 1,571,262.50

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Solution

The third proportional to 718,321 and 1,571,262.50 is: 3,436,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,321 : 1,571,262.50 = 1,571,262.50 : x
  2. Step 2: Convert to fraction form
    718,321/1,571,262.50 = 1,571,262.50/x
  3. Step 3: Cross multiply
    718,321x = 1,571,262.50 × 1,571,262.50
  4. Step 4: Simplify right side
    718,321x = 2,468,865,843,906.25
  5. Step 5: Solve for x
    x = 2,468,865,843,906.25/718,321
  6. Step 6: Final answer
    x = 3,436,995.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.