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Finding the Third Proportional to 191,866.50 and 418,671

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Solution

The third proportional to 191,866.50 and 418,671 is: 913,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,866.50 : 418,671 = 418,671 : x
  2. Step 2: Convert to fraction form
    191,866.50/418,671 = 418,671/x
  3. Step 3: Cross multiply
    191,866.50x = 418,671 × 418,671
  4. Step 4: Simplify right side
    191,866.50x = 175,285,406,241
  5. Step 5: Solve for x
    x = 175,285,406,241/191,866.50
  6. Step 6: Final answer
    x = 913,580.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.