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Finding the Third Proportional to 180,945 and 386,734.50

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Solution

The third proportional to 180,945 and 386,734.50 is: 826,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,945 : 386,734.50 = 386,734.50 : x
  2. Step 2: Convert to fraction form
    180,945/386,734.50 = 386,734.50/x
  3. Step 3: Cross multiply
    180,945x = 386,734.50 × 386,734.50
  4. Step 4: Simplify right side
    180,945x = 149,563,573,490.25
  5. Step 5: Solve for x
    x = 149,563,573,490.25/180,945
  6. Step 6: Final answer
    x = 826,569.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.