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Finding the Third Proportional to 719,417 and 1,108,655

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Solution

The third proportional to 719,417 and 1,108,655 is: 1,708,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,417 : 1,108,655 = 1,108,655 : x
  2. Step 2: Convert to fraction form
    719,417/1,108,655 = 1,108,655/x
  3. Step 3: Cross multiply
    719,417x = 1,108,655 × 1,108,655
  4. Step 4: Simplify right side
    719,417x = 1,229,115,909,025
  5. Step 5: Solve for x
    x = 1,229,115,909,025/719,417
  6. Step 6: Final answer
    x = 1,708,488.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.