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Finding the Third Proportional to 530,223 and 803,057

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Solution

The third proportional to 530,223 and 803,057 is: 1,216,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,223 : 803,057 = 803,057 : x
  2. Step 2: Convert to fraction form
    530,223/803,057 = 803,057/x
  3. Step 3: Cross multiply
    530,223x = 803,057 × 803,057
  4. Step 4: Simplify right side
    530,223x = 644,900,545,249
  5. Step 5: Solve for x
    x = 644,900,545,249/530,223
  6. Step 6: Final answer
    x = 1,216,281.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.