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Finding the Third Proportional to 45,153 and 70,315.50

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Solution

The third proportional to 45,153 and 70,315.50 is: 109,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153 : 70,315.50 = 70,315.50 : x
  2. Step 2: Convert to fraction form
    45,153/70,315.50 = 70,315.50/x
  3. Step 3: Cross multiply
    45,153x = 70,315.50 × 70,315.50
  4. Step 4: Simplify right side
    45,153x = 4,944,269,540.25
  5. Step 5: Solve for x
    x = 4,944,269,540.25/45,153
  6. Step 6: Final answer
    x = 109,500.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.