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Finding the Third Proportional to 407,412 and 896,040

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Solution

The third proportional to 407,412 and 896,040 is: 1,970,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,412 : 896,040 = 896,040 : x
  2. Step 2: Convert to fraction form
    407,412/896,040 = 896,040/x
  3. Step 3: Cross multiply
    407,412x = 896,040 × 896,040
  4. Step 4: Simplify right side
    407,412x = 802,887,681,600
  5. Step 5: Solve for x
    x = 802,887,681,600/407,412
  6. Step 6: Final answer
    x = 1,970,702.09

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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.