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Finding the Third Proportional to 30,528.25 and 66,654.50

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Solution

The third proportional to 30,528.25 and 66,654.50 is: 145,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.25 : 66,654.50 = 66,654.50 : x
  2. Step 2: Convert to fraction form
    30,528.25/66,654.50 = 66,654.50/x
  3. Step 3: Cross multiply
    30,528.25x = 66,654.50 × 66,654.50
  4. Step 4: Simplify right side
    30,528.25x = 4,442,822,370.25
  5. Step 5: Solve for x
    x = 4,442,822,370.25/30,528.25
  6. Step 6: Final answer
    x = 145,531.51

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1.5x scale

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.