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Finding the Third Proportional to 186,973.50 and 407,785.50

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Solution

The third proportional to 186,973.50 and 407,785.50 is: 889,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,973.50 : 407,785.50 = 407,785.50 : x
  2. Step 2: Convert to fraction form
    186,973.50/407,785.50 = 407,785.50/x
  3. Step 3: Cross multiply
    186,973.50x = 407,785.50 × 407,785.50
  4. Step 4: Simplify right side
    186,973.50x = 166,289,014,010.25
  5. Step 5: Solve for x
    x = 166,289,014,010.25/186,973.50
  6. Step 6: Final answer
    x = 889,372.10

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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.