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Finding the Third Proportional to 245,980.50 and 530,718

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Solution

The third proportional to 245,980.50 and 530,718 is: 1,145,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,980.50 : 530,718 = 530,718 : x
  2. Step 2: Convert to fraction form
    245,980.50/530,718 = 530,718/x
  3. Step 3: Cross multiply
    245,980.50x = 530,718 × 530,718
  4. Step 4: Simplify right side
    245,980.50x = 281,661,595,524
  5. Step 5: Solve for x
    x = 281,661,595,524/245,980.50
  6. Step 6: Final answer
    x = 1,145,056.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.