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Finding the Third Proportional to 558,240 and 1,210,080

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Solution

The third proportional to 558,240 and 1,210,080 is: 2,623,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,240 : 1,210,080 = 1,210,080 : x
  2. Step 2: Convert to fraction form
    558,240/1,210,080 = 1,210,080/x
  3. Step 3: Cross multiply
    558,240x = 1,210,080 × 1,210,080
  4. Step 4: Simplify right side
    558,240x = 1,464,293,606,400
  5. Step 5: Solve for x
    x = 1,464,293,606,400/558,240
  6. Step 6: Final answer
    x = 2,623,053.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.