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Finding the Third Proportional to 1,220,733.28 and 1,797,372.28

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Solution

The third proportional to 1,220,733.28 and 1,797,372.28 is: 2,646,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,733.28 : 1,797,372.28 = 1,797,372.28 : x
  2. Step 2: Convert to fraction form
    1,220,733.28/1,797,372.28 = 1,797,372.28/x
  3. Step 3: Cross multiply
    1,220,733.28x = 1,797,372.28 × 1,797,372.28
  4. Step 4: Simplify right side
    1,220,733.28x = 3,230,547,117,405.83
  5. Step 5: Solve for x
    x = 3,230,547,117,405.83/1,220,733.28
  6. Step 6: Final answer
    x = 2,646,398.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.