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Finding the Third Proportional to 105,276 and 157,416

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Solution

The third proportional to 105,276 and 157,416 is: 235,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276 : 157,416 = 157,416 : x
  2. Step 2: Convert to fraction form
    105,276/157,416 = 157,416/x
  3. Step 3: Cross multiply
    105,276x = 157,416 × 157,416
  4. Step 4: Simplify right side
    105,276x = 24,779,797,056
  5. Step 5: Solve for x
    x = 24,779,797,056/105,276
  6. Step 6: Final answer
    x = 235,379.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.