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Finding the Third Proportional to 554,660 and 1,217,520

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Solution

The third proportional to 554,660 and 1,217,520 is: 2,672,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,660 : 1,217,520 = 1,217,520 : x
  2. Step 2: Convert to fraction form
    554,660/1,217,520 = 1,217,520/x
  3. Step 3: Cross multiply
    554,660x = 1,217,520 × 1,217,520
  4. Step 4: Simplify right side
    554,660x = 1,482,354,950,400
  5. Step 5: Solve for x
    x = 1,482,354,950,400/554,660
  6. Step 6: Final answer
    x = 2,672,547.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.