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Finding the Third Proportional to 11,053.13 and 15,783.19

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Solution

The third proportional to 11,053.13 and 15,783.19 is: 22,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.13 : 15,783.19 = 15,783.19 : x
  2. Step 2: Convert to fraction form
    11,053.13/15,783.19 = 15,783.19/x
  3. Step 3: Cross multiply
    11,053.13x = 15,783.19 × 15,783.19
  4. Step 4: Simplify right side
    11,053.13x = 249,109,007.66
  5. Step 5: Solve for x
    x = 249,109,007.66/11,053.13
  6. Step 6: Final answer
    x = 22,537.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.