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Finding the Third Proportional to 175,421.50 and 369,181.50

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Solution

The third proportional to 175,421.50 and 369,181.50 is: 776,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,421.50 : 369,181.50 = 369,181.50 : x
  2. Step 2: Convert to fraction form
    175,421.50/369,181.50 = 369,181.50/x
  3. Step 3: Cross multiply
    175,421.50x = 369,181.50 × 369,181.50
  4. Step 4: Simplify right side
    175,421.50x = 136,294,979,942.25
  5. Step 5: Solve for x
    x = 136,294,979,942.25/175,421.50
  6. Step 6: Final answer
    x = 776,957.10

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.