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Finding the Third Proportional to 360,671 and 562,842

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Solution

The third proportional to 360,671 and 562,842 is: 878,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,671 : 562,842 = 562,842 : x
  2. Step 2: Convert to fraction form
    360,671/562,842 = 562,842/x
  3. Step 3: Cross multiply
    360,671x = 562,842 × 562,842
  4. Step 4: Simplify right side
    360,671x = 316,791,116,964
  5. Step 5: Solve for x
    x = 316,791,116,964/360,671
  6. Step 6: Final answer
    x = 878,338.20

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.