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Finding the Third Proportional to 270,297 and 405,445.50

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Solution

The third proportional to 270,297 and 405,445.50 is: 608,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,297 : 405,445.50 = 405,445.50 : x
  2. Step 2: Convert to fraction form
    270,297/405,445.50 = 405,445.50/x
  3. Step 3: Cross multiply
    270,297x = 405,445.50 × 405,445.50
  4. Step 4: Simplify right side
    270,297x = 164,386,053,470.25
  5. Step 5: Solve for x
    x = 164,386,053,470.25/270,297
  6. Step 6: Final answer
    x = 608,168.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.