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Finding the Third Proportional to 107,372 and 157,776

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Solution

The third proportional to 107,372 and 157,776 is: 231,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,372 : 157,776 = 157,776 : x
  2. Step 2: Convert to fraction form
    107,372/157,776 = 157,776/x
  3. Step 3: Cross multiply
    107,372x = 157,776 × 157,776
  4. Step 4: Simplify right side
    107,372x = 24,893,266,176
  5. Step 5: Solve for x
    x = 24,893,266,176/107,372
  6. Step 6: Final answer
    x = 231,841.32

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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.