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Finding the Third Proportional to 155,210 and 246,178

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Solution

The third proportional to 155,210 and 246,178 is: 390,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,210 : 246,178 = 246,178 : x
  2. Step 2: Convert to fraction form
    155,210/246,178 = 246,178/x
  3. Step 3: Cross multiply
    155,210x = 246,178 × 246,178
  4. Step 4: Simplify right side
    155,210x = 60,603,607,684
  5. Step 5: Solve for x
    x = 60,603,607,684/155,210
  6. Step 6: Final answer
    x = 390,462.00

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.