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Finding the Third Proportional to 55,946 and 87,771

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Solution

The third proportional to 55,946 and 87,771 is: 137,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,946 : 87,771 = 87,771 : x
  2. Step 2: Convert to fraction form
    55,946/87,771 = 87,771/x
  3. Step 3: Cross multiply
    55,946x = 87,771 × 87,771
  4. Step 4: Simplify right side
    55,946x = 7,703,748,441
  5. Step 5: Solve for x
    x = 7,703,748,441/55,946
  6. Step 6: Final answer
    x = 137,699.72

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.