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Finding the Third Proportional to 101,424 and 157,663.50

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Solution

The third proportional to 101,424 and 157,663.50 is: 245,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,424 : 157,663.50 = 157,663.50 : x
  2. Step 2: Convert to fraction form
    101,424/157,663.50 = 157,663.50/x
  3. Step 3: Cross multiply
    101,424x = 157,663.50 × 157,663.50
  4. Step 4: Simplify right side
    101,424x = 24,857,779,232.25
  5. Step 5: Solve for x
    x = 24,857,779,232.25/101,424
  6. Step 6: Final answer
    x = 245,087.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.