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Finding the Third Proportional to 9,547 and 20,909

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Solution

The third proportional to 9,547 and 20,909 is: 45,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547 : 20,909 = 20,909 : x
  2. Step 2: Convert to fraction form
    9,547/20,909 = 20,909/x
  3. Step 3: Cross multiply
    9,547x = 20,909 × 20,909
  4. Step 4: Simplify right side
    9,547x = 437,186,281
  5. Step 5: Solve for x
    x = 437,186,281/9,547
  6. Step 6: Final answer
    x = 45,793.05

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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.