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Finding the Third Proportional to 804,574 and 1,108,309

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Solution

The third proportional to 804,574 and 1,108,309 is: 1,526,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,574 : 1,108,309 = 1,108,309 : x
  2. Step 2: Convert to fraction form
    804,574/1,108,309 = 1,108,309/x
  3. Step 3: Cross multiply
    804,574x = 1,108,309 × 1,108,309
  4. Step 4: Simplify right side
    804,574x = 1,228,348,839,481
  5. Step 5: Solve for x
    x = 1,228,348,839,481/804,574
  6. Step 6: Final answer
    x = 1,526,707.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.