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Finding the Third Proportional to 14,128 and 30,130

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Solution

The third proportional to 14,128 and 30,130 is: 64,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128 : 30,130 = 30,130 : x
  2. Step 2: Convert to fraction form
    14,128/30,130 = 30,130/x
  3. Step 3: Cross multiply
    14,128x = 30,130 × 30,130
  4. Step 4: Simplify right side
    14,128x = 907,816,900
  5. Step 5: Solve for x
    x = 907,816,900/14,128
  6. Step 6: Final answer
    x = 64,256.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.