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Finding the Third Proportional to 45,688 and 70,192

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Solution

The third proportional to 45,688 and 70,192 is: 107,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688 : 70,192 = 70,192 : x
  2. Step 2: Convert to fraction form
    45,688/70,192 = 70,192/x
  3. Step 3: Cross multiply
    45,688x = 70,192 × 70,192
  4. Step 4: Simplify right side
    45,688x = 4,926,916,864
  5. Step 5: Solve for x
    x = 4,926,916,864/45,688
  6. Step 6: Final answer
    x = 107,838.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.