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Finding the Third Proportional to 485,956 and 719,368

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Solution

The third proportional to 485,956 and 719,368 is: 1,064,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,956 : 719,368 = 719,368 : x
  2. Step 2: Convert to fraction form
    485,956/719,368 = 719,368/x
  3. Step 3: Cross multiply
    485,956x = 719,368 × 719,368
  4. Step 4: Simplify right side
    485,956x = 517,490,319,424
  5. Step 5: Solve for x
    x = 517,490,319,424/485,956
  6. Step 6: Final answer
    x = 1,064,891.31

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.