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Finding the Third Proportional to 652,185 and 857,621.25

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Solution

The third proportional to 652,185 and 857,621.25 is: 1,127,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,185 : 857,621.25 = 857,621.25 : x
  2. Step 2: Convert to fraction form
    652,185/857,621.25 = 857,621.25/x
  3. Step 3: Cross multiply
    652,185x = 857,621.25 × 857,621.25
  4. Step 4: Simplify right side
    652,185x = 735,514,208,451.56
  5. Step 5: Solve for x
    x = 735,514,208,451.56/652,185
  6. Step 6: Final answer
    x = 1,127,769.28

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.