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Finding the Third Proportional to 165,855 and 357,737

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Solution

The third proportional to 165,855 and 357,737 is: 771,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,855 : 357,737 = 357,737 : x
  2. Step 2: Convert to fraction form
    165,855/357,737 = 357,737/x
  3. Step 3: Cross multiply
    165,855x = 357,737 × 357,737
  4. Step 4: Simplify right side
    165,855x = 127,975,761,169
  5. Step 5: Solve for x
    x = 127,975,761,169/165,855
  6. Step 6: Final answer
    x = 771,612.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.