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Finding the Third Proportional to 62,315 and 137,090

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Solution

The third proportional to 62,315 and 137,090 is: 301,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,315 : 137,090 = 137,090 : x
  2. Step 2: Convert to fraction form
    62,315/137,090 = 137,090/x
  3. Step 3: Cross multiply
    62,315x = 137,090 × 137,090
  4. Step 4: Simplify right side
    62,315x = 18,793,668,100
  5. Step 5: Solve for x
    x = 18,793,668,100/62,315
  6. Step 6: Final answer
    x = 301,591.40

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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.