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Finding the Third Proportional to 162,106 and 260,460

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Solution

The third proportional to 162,106 and 260,460 is: 418,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106 : 260,460 = 260,460 : x
  2. Step 2: Convert to fraction form
    162,106/260,460 = 260,460/x
  3. Step 3: Cross multiply
    162,106x = 260,460 × 260,460
  4. Step 4: Simplify right side
    162,106x = 67,839,411,600
  5. Step 5: Solve for x
    x = 67,839,411,600/162,106
  6. Step 6: Final answer
    x = 418,487.97

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.