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Finding the Third Proportional to 62,402 and 136,210

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Solution

The third proportional to 62,402 and 136,210 is: 297,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402 : 136,210 = 136,210 : x
  2. Step 2: Convert to fraction form
    62,402/136,210 = 136,210/x
  3. Step 3: Cross multiply
    62,402x = 136,210 × 136,210
  4. Step 4: Simplify right side
    62,402x = 18,553,164,100
  5. Step 5: Solve for x
    x = 18,553,164,100/62,402
  6. Step 6: Final answer
    x = 297,316.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.