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Finding the Third Proportional to 24,210 and 53,310

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Solution

The third proportional to 24,210 and 53,310 is: 117,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,210 : 53,310 = 53,310 : x
  2. Step 2: Convert to fraction form
    24,210/53,310 = 53,310/x
  3. Step 3: Cross multiply
    24,210x = 53,310 × 53,310
  4. Step 4: Simplify right side
    24,210x = 2,841,956,100
  5. Step 5: Solve for x
    x = 2,841,956,100/24,210
  6. Step 6: Final answer
    x = 117,387.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.