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Finding the Third Proportional to 30,297 and 40,477.50

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Solution

The third proportional to 30,297 and 40,477.50 is: 54,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297 : 40,477.50 = 40,477.50 : x
  2. Step 2: Convert to fraction form
    30,297/40,477.50 = 40,477.50/x
  3. Step 3: Cross multiply
    30,297x = 40,477.50 × 40,477.50
  4. Step 4: Simplify right side
    30,297x = 1,638,428,006.25
  5. Step 5: Solve for x
    x = 1,638,428,006.25/30,297
  6. Step 6: Final answer
    x = 54,078.89

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.