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Finding the Third Proportional to 73,246.50 and 155,490

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Solution

The third proportional to 73,246.50 and 155,490 is: 330,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246.50 : 155,490 = 155,490 : x
  2. Step 2: Convert to fraction form
    73,246.50/155,490 = 155,490/x
  3. Step 3: Cross multiply
    73,246.50x = 155,490 × 155,490
  4. Step 4: Simplify right side
    73,246.50x = 24,177,140,100
  5. Step 5: Solve for x
    x = 24,177,140,100/73,246.50
  6. Step 6: Final answer
    x = 330,079.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.