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Finding the Third Proportional to 186,045 and 407,559

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Solution

The third proportional to 186,045 and 407,559 is: 892,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,045 : 407,559 = 407,559 : x
  2. Step 2: Convert to fraction form
    186,045/407,559 = 407,559/x
  3. Step 3: Cross multiply
    186,045x = 407,559 × 407,559
  4. Step 4: Simplify right side
    186,045x = 166,104,338,481
  5. Step 5: Solve for x
    x = 166,104,338,481/186,045
  6. Step 6: Final answer
    x = 892,818.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.