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Finding the Third Proportional to 245,285.72 and 359,852.63

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Solution

The third proportional to 245,285.72 and 359,852.63 is: 527,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,285.72 : 359,852.63 = 359,852.63 : x
  2. Step 2: Convert to fraction form
    245,285.72/359,852.63 = 359,852.63/x
  3. Step 3: Cross multiply
    245,285.72x = 359,852.63 × 359,852.63
  4. Step 4: Simplify right side
    245,285.72x = 129,493,911,719.39
  5. Step 5: Solve for x
    x = 129,493,911,719.39/245,285.72
  6. Step 6: Final answer
    x = 527,930.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.