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Finding the Third Proportional to 28,465.17 and 39,810.23

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Solution

The third proportional to 28,465.17 and 39,810.23 is: 55,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.17 : 39,810.23 = 39,810.23 : x
  2. Step 2: Convert to fraction form
    28,465.17/39,810.23 = 39,810.23/x
  3. Step 3: Cross multiply
    28,465.17x = 39,810.23 × 39,810.23
  4. Step 4: Simplify right side
    28,465.17x = 1,584,854,760.99
  5. Step 5: Solve for x
    x = 1,584,854,760.99/28,465.17
  6. Step 6: Final answer
    x = 55,676.98

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.