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Finding the Third Proportional to 245,672 and 532,816

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Solution

The third proportional to 245,672 and 532,816 is: 1,155,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,672 : 532,816 = 532,816 : x
  2. Step 2: Convert to fraction form
    245,672/532,816 = 532,816/x
  3. Step 3: Cross multiply
    245,672x = 532,816 × 532,816
  4. Step 4: Simplify right side
    245,672x = 283,892,889,856
  5. Step 5: Solve for x
    x = 283,892,889,856/245,672
  6. Step 6: Final answer
    x = 1,155,576.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.