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Finding the Third Proportional to 67,242 and 97,710

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Solution

The third proportional to 67,242 and 97,710 is: 141,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,242 : 97,710 = 97,710 : x
  2. Step 2: Convert to fraction form
    67,242/97,710 = 97,710/x
  3. Step 3: Cross multiply
    67,242x = 97,710 × 97,710
  4. Step 4: Simplify right side
    67,242x = 9,547,244,100
  5. Step 5: Solve for x
    x = 9,547,244,100/67,242
  6. Step 6: Final answer
    x = 141,983.35

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.