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Finding the Third Proportional to 804,579 and 1,215,070

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Solution

The third proportional to 804,579 and 1,215,070 is: 1,834,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,579 : 1,215,070 = 1,215,070 : x
  2. Step 2: Convert to fraction form
    804,579/1,215,070 = 1,215,070/x
  3. Step 3: Cross multiply
    804,579x = 1,215,070 × 1,215,070
  4. Step 4: Simplify right side
    804,579x = 1,476,395,104,900
  5. Step 5: Solve for x
    x = 1,476,395,104,900/804,579
  6. Step 6: Final answer
    x = 1,834,990.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.