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Finding the Third Proportional to 774,782 and 1,678,246

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Solution

The third proportional to 774,782 and 1,678,246 is: 3,635,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,782 : 1,678,246 = 1,678,246 : x
  2. Step 2: Convert to fraction form
    774,782/1,678,246 = 1,678,246/x
  3. Step 3: Cross multiply
    774,782x = 1,678,246 × 1,678,246
  4. Step 4: Simplify right side
    774,782x = 2,816,509,636,516
  5. Step 5: Solve for x
    x = 2,816,509,636,516/774,782
  6. Step 6: Final answer
    x = 3,635,228.54

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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.