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Finding the Third Proportional to 238,312.13 and 523,989

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Solution

The third proportional to 238,312.13 and 523,989 is: 1,152,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,312.13 : 523,989 = 523,989 : x
  2. Step 2: Convert to fraction form
    238,312.13/523,989 = 523,989/x
  3. Step 3: Cross multiply
    238,312.13x = 523,989 × 523,989
  4. Step 4: Simplify right side
    238,312.13x = 274,564,472,121
  5. Step 5: Solve for x
    x = 274,564,472,121/238,312.13
  6. Step 6: Final answer
    x = 1,152,121.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.