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Finding the Third Proportional to 15,556.13 and 34,136.25

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Solution

The third proportional to 15,556.13 and 34,136.25 is: 74,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.13 : 34,136.25 = 34,136.25 : x
  2. Step 2: Convert to fraction form
    15,556.13/34,136.25 = 34,136.25/x
  3. Step 3: Cross multiply
    15,556.13x = 34,136.25 × 34,136.25
  4. Step 4: Simplify right side
    15,556.13x = 1,165,283,564.06
  5. Step 5: Solve for x
    x = 1,165,283,564.06/15,556.13
  6. Step 6: Final answer
    x = 74,908.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.