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Finding the Third Proportional to 157,040 and 242,624

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Solution

The third proportional to 157,040 and 242,624 is: 374,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,040 : 242,624 = 242,624 : x
  2. Step 2: Convert to fraction form
    157,040/242,624 = 242,624/x
  3. Step 3: Cross multiply
    157,040x = 242,624 × 242,624
  4. Step 4: Simplify right side
    157,040x = 58,866,405,376
  5. Step 5: Solve for x
    x = 58,866,405,376/157,040
  6. Step 6: Final answer
    x = 374,849.75

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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.