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Finding the Third Proportional to 61,620 and 97,942

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Solution

The third proportional to 61,620 and 97,942 is: 155,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620 : 97,942 = 97,942 : x
  2. Step 2: Convert to fraction form
    61,620/97,942 = 97,942/x
  3. Step 3: Cross multiply
    61,620x = 97,942 × 97,942
  4. Step 4: Simplify right side
    61,620x = 9,592,635,364
  5. Step 5: Solve for x
    x = 9,592,635,364/61,620
  6. Step 6: Final answer
    x = 155,674.06

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.