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Finding the Third Proportional to 13,430 and 28,804

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Solution

The third proportional to 13,430 and 28,804 is: 61,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430 : 28,804 = 28,804 : x
  2. Step 2: Convert to fraction form
    13,430/28,804 = 28,804/x
  3. Step 3: Cross multiply
    13,430x = 28,804 × 28,804
  4. Step 4: Simplify right side
    13,430x = 829,670,416
  5. Step 5: Solve for x
    x = 829,670,416/13,430
  6. Step 6: Final answer
    x = 61,777.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.