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Finding the Third Proportional to 164,706 and 359,531

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Solution

The third proportional to 164,706 and 359,531 is: 784,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,706 : 359,531 = 359,531 : x
  2. Step 2: Convert to fraction form
    164,706/359,531 = 359,531/x
  3. Step 3: Cross multiply
    164,706x = 359,531 × 359,531
  4. Step 4: Simplify right side
    164,706x = 129,262,539,961
  5. Step 5: Solve for x
    x = 129,262,539,961/164,706
  6. Step 6: Final answer
    x = 784,807.72

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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.