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Finding the Third Proportional to 756,904 and 1,138,514

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Solution

The third proportional to 756,904 and 1,138,514 is: 1,712,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,904 : 1,138,514 = 1,138,514 : x
  2. Step 2: Convert to fraction form
    756,904/1,138,514 = 1,138,514/x
  3. Step 3: Cross multiply
    756,904x = 1,138,514 × 1,138,514
  4. Step 4: Simplify right side
    756,904x = 1,296,214,128,196
  5. Step 5: Solve for x
    x = 1,296,214,128,196/756,904
  6. Step 6: Final answer
    x = 1,712,521.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.