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Finding the Third Proportional to 804,328 and 1,125,020

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Solution

The third proportional to 804,328 and 1,125,020 is: 1,573,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,328 : 1,125,020 = 1,125,020 : x
  2. Step 2: Convert to fraction form
    804,328/1,125,020 = 1,125,020/x
  3. Step 3: Cross multiply
    804,328x = 1,125,020 × 1,125,020
  4. Step 4: Simplify right side
    804,328x = 1,265,670,000,400
  5. Step 5: Solve for x
    x = 1,265,670,000,400/804,328
  6. Step 6: Final answer
    x = 1,573,574.46

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.