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Finding the Third Proportional to 186,180.19 and 401,878.13

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Solution

The third proportional to 186,180.19 and 401,878.13 is: 867,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,180.19 : 401,878.13 = 401,878.13 : x
  2. Step 2: Convert to fraction form
    186,180.19/401,878.13 = 401,878.13/x
  3. Step 3: Cross multiply
    186,180.19x = 401,878.13 × 401,878.13
  4. Step 4: Simplify right side
    186,180.19x = 161,506,027,353.52
  5. Step 5: Solve for x
    x = 161,506,027,353.52/186,180.19
  6. Step 6: Final answer
    x = 867,471.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.