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Finding the Third Proportional to 170,464.50 and 358,900.88

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Solution

The third proportional to 170,464.50 and 358,900.88 is: 755,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,464.50 : 358,900.88 = 358,900.88 : x
  2. Step 2: Convert to fraction form
    170,464.50/358,900.88 = 358,900.88/x
  3. Step 3: Cross multiply
    170,464.50x = 358,900.88 × 358,900.88
  4. Step 4: Simplify right side
    170,464.50x = 128,809,838,075.77
  5. Step 5: Solve for x
    x = 128,809,838,075.77/170,464.50
  6. Step 6: Final answer
    x = 755,640.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.