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Finding the Third Proportional to 30,132 and 45,015.75

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Solution

The third proportional to 30,132 and 45,015.75 is: 67,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132 : 45,015.75 = 45,015.75 : x
  2. Step 2: Convert to fraction form
    30,132/45,015.75 = 45,015.75/x
  3. Step 3: Cross multiply
    30,132x = 45,015.75 × 45,015.75
  4. Step 4: Simplify right side
    30,132x = 2,026,417,748.06
  5. Step 5: Solve for x
    x = 2,026,417,748.06/30,132
  6. Step 6: Final answer
    x = 67,251.35

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.