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Finding the Third Proportional to 156,590 and 332,620

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Solution

The third proportional to 156,590 and 332,620 is: 706,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,590 : 332,620 = 332,620 : x
  2. Step 2: Convert to fraction form
    156,590/332,620 = 332,620/x
  3. Step 3: Cross multiply
    156,590x = 332,620 × 332,620
  4. Step 4: Simplify right side
    156,590x = 110,636,064,400
  5. Step 5: Solve for x
    x = 110,636,064,400/156,590
  6. Step 6: Final answer
    x = 706,533.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.