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Finding the Third Proportional to 245,816 and 536,128

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Solution

The third proportional to 245,816 and 536,128 is: 1,169,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816 : 536,128 = 536,128 : x
  2. Step 2: Convert to fraction form
    245,816/536,128 = 536,128/x
  3. Step 3: Cross multiply
    245,816x = 536,128 × 536,128
  4. Step 4: Simplify right side
    245,816x = 287,433,232,384
  5. Step 5: Solve for x
    x = 287,433,232,384/245,816
  6. Step 6: Final answer
    x = 1,169,302.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.