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Finding the Third Proportional to 154,985.63 and 328,570.88

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Solution

The third proportional to 154,985.63 and 328,570.88 is: 696,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,985.63 : 328,570.88 = 328,570.88 : x
  2. Step 2: Convert to fraction form
    154,985.63/328,570.88 = 328,570.88/x
  3. Step 3: Cross multiply
    154,985.63x = 328,570.88 × 328,570.88
  4. Step 4: Simplify right side
    154,985.63x = 107,958,819,898.27
  5. Step 5: Solve for x
    x = 107,958,819,898.27/154,985.63
  6. Step 6: Final answer
    x = 696,573.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.