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Finding the Third Proportional to 164,700 and 359,518

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Solution

The third proportional to 164,700 and 359,518 is: 784,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,700 : 359,518 = 359,518 : x
  2. Step 2: Convert to fraction form
    164,700/359,518 = 359,518/x
  3. Step 3: Cross multiply
    164,700x = 359,518 × 359,518
  4. Step 4: Simplify right side
    164,700x = 129,253,192,324
  5. Step 5: Solve for x
    x = 129,253,192,324/164,700
  6. Step 6: Final answer
    x = 784,779.55

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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.