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Finding the Third Proportional to 58,128 and 118,711.50

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Solution

The third proportional to 58,128 and 118,711.50 is: 242,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,128 : 118,711.50 = 118,711.50 : x
  2. Step 2: Convert to fraction form
    58,128/118,711.50 = 118,711.50/x
  3. Step 3: Cross multiply
    58,128x = 118,711.50 × 118,711.50
  4. Step 4: Simplify right side
    58,128x = 14,092,420,232.25
  5. Step 5: Solve for x
    x = 14,092,420,232.25/58,128
  6. Step 6: Final answer
    x = 242,437.73

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.