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Finding the Third Proportional to 368,776 and 569,540

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Solution

The third proportional to 368,776 and 569,540 is: 879,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,776 : 569,540 = 569,540 : x
  2. Step 2: Convert to fraction form
    368,776/569,540 = 569,540/x
  3. Step 3: Cross multiply
    368,776x = 569,540 × 569,540
  4. Step 4: Simplify right side
    368,776x = 324,375,811,600
  5. Step 5: Solve for x
    x = 324,375,811,600/368,776
  6. Step 6: Final answer
    x = 879,601.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.