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Finding the Third Proportional to 210,432 and 454,758

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Solution

The third proportional to 210,432 and 454,758 is: 982,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,432 : 454,758 = 454,758 : x
  2. Step 2: Convert to fraction form
    210,432/454,758 = 454,758/x
  3. Step 3: Cross multiply
    210,432x = 454,758 × 454,758
  4. Step 4: Simplify right side
    210,432x = 206,804,838,564
  5. Step 5: Solve for x
    x = 206,804,838,564/210,432
  6. Step 6: Final answer
    x = 982,763.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.