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Finding the Third Proportional to 107,235 and 157,731

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Solution

The third proportional to 107,235 and 157,731 is: 232,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,235 : 157,731 = 157,731 : x
  2. Step 2: Convert to fraction form
    107,235/157,731 = 157,731/x
  3. Step 3: Cross multiply
    107,235x = 157,731 × 157,731
  4. Step 4: Simplify right side
    107,235x = 24,879,068,361
  5. Step 5: Solve for x
    x = 24,879,068,361/107,235
  6. Step 6: Final answer
    x = 232,005.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.