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Finding the Third Proportional to 255,631.50 and 553,582.13

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Solution

The third proportional to 255,631.50 and 553,582.13 is: 1,198,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,631.50 : 553,582.13 = 553,582.13 : x
  2. Step 2: Convert to fraction form
    255,631.50/553,582.13 = 553,582.13/x
  3. Step 3: Cross multiply
    255,631.50x = 553,582.13 × 553,582.13
  4. Step 4: Simplify right side
    255,631.50x = 306,453,169,119.52
  5. Step 5: Solve for x
    x = 306,453,169,119.52/255,631.50
  6. Step 6: Final answer
    x = 1,198,808.32

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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.