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Finding the Third Proportional to 7,428 and 16,137

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Solution

The third proportional to 7,428 and 16,137 is: 35,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428 : 16,137 = 16,137 : x
  2. Step 2: Convert to fraction form
    7,428/16,137 = 16,137/x
  3. Step 3: Cross multiply
    7,428x = 16,137 × 16,137
  4. Step 4: Simplify right side
    7,428x = 260,402,769
  5. Step 5: Solve for x
    x = 260,402,769/7,428
  6. Step 6: Final answer
    x = 35,056.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.