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Finding the Third Proportional to 718,303 and 1,562,721

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Solution

The third proportional to 718,303 and 1,562,721 is: 3,399,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,303 : 1,562,721 = 1,562,721 : x
  2. Step 2: Convert to fraction form
    718,303/1,562,721 = 1,562,721/x
  3. Step 3: Cross multiply
    718,303x = 1,562,721 × 1,562,721
  4. Step 4: Simplify right side
    718,303x = 2,442,096,923,841
  5. Step 5: Solve for x
    x = 2,442,096,923,841/718,303
  6. Step 6: Final answer
    x = 3,399,814.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.