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Finding the Third Proportional to 9,041.63 and 20,920.78

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Solution

The third proportional to 9,041.63 and 20,920.78 is: 48,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.63 : 20,920.78 = 20,920.78 : x
  2. Step 2: Convert to fraction form
    9,041.63/20,920.78 = 20,920.78/x
  3. Step 3: Cross multiply
    9,041.63x = 20,920.78 × 20,920.78
  4. Step 4: Simplify right side
    9,041.63x = 437,679,088.11
  5. Step 5: Solve for x
    x = 437,679,088.11/9,041.63
  6. Step 6: Final answer
    x = 48,407.13

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.