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Finding the Third Proportional to 105,368 and 230,440

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Solution

The third proportional to 105,368 and 230,440 is: 503,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,368 : 230,440 = 230,440 : x
  2. Step 2: Convert to fraction form
    105,368/230,440 = 230,440/x
  3. Step 3: Cross multiply
    105,368x = 230,440 × 230,440
  4. Step 4: Simplify right side
    105,368x = 53,102,593,600
  5. Step 5: Solve for x
    x = 53,102,593,600/105,368
  6. Step 6: Final answer
    x = 503,972.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.