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Finding the Third Proportional to 36,070.50 and 77,127

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Solution

The third proportional to 36,070.50 and 77,127 is: 164,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.50 : 77,127 = 77,127 : x
  2. Step 2: Convert to fraction form
    36,070.50/77,127 = 77,127/x
  3. Step 3: Cross multiply
    36,070.50x = 77,127 × 77,127
  4. Step 4: Simplify right side
    36,070.50x = 5,948,574,129
  5. Step 5: Solve for x
    x = 5,948,574,129/36,070.50
  6. Step 6: Final answer
    x = 164,915.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.