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Finding the Third Proportional to 9,888.98 and 20,145.19

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Solution

The third proportional to 9,888.98 and 20,145.19 is: 41,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.98 : 20,145.19 = 20,145.19 : x
  2. Step 2: Convert to fraction form
    9,888.98/20,145.19 = 20,145.19/x
  3. Step 3: Cross multiply
    9,888.98x = 20,145.19 × 20,145.19
  4. Step 4: Simplify right side
    9,888.98x = 405,828,579.41
  5. Step 5: Solve for x
    x = 405,828,579.41/9,888.98
  6. Step 6: Final answer
    x = 41,038.45

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.