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Finding the Third Proportional to 154,776 and 242,604

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Solution

The third proportional to 154,776 and 242,604 is: 380,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,776 : 242,604 = 242,604 : x
  2. Step 2: Convert to fraction form
    154,776/242,604 = 242,604/x
  3. Step 3: Cross multiply
    154,776x = 242,604 × 242,604
  4. Step 4: Simplify right side
    154,776x = 58,856,700,816
  5. Step 5: Solve for x
    x = 58,856,700,816/154,776
  6. Step 6: Final answer
    x = 380,270.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.