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Finding the Third Proportional to 162,634.50 and 391,318.88

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Solution

The third proportional to 162,634.50 and 391,318.88 is: 941,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,634.50 : 391,318.88 = 391,318.88 : x
  2. Step 2: Convert to fraction form
    162,634.50/391,318.88 = 391,318.88/x
  3. Step 3: Cross multiply
    162,634.50x = 391,318.88 × 391,318.88
  4. Step 4: Simplify right side
    162,634.50x = 153,130,461,931.27
  5. Step 5: Solve for x
    x = 153,130,461,931.27/162,634.50
  6. Step 6: Final answer
    x = 941,561.98

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.