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Finding the Third Proportional to 855,706 and 1,330,359

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Solution

The third proportional to 855,706 and 1,330,359 is: 2,068,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,706 : 1,330,359 = 1,330,359 : x
  2. Step 2: Convert to fraction form
    855,706/1,330,359 = 1,330,359/x
  3. Step 3: Cross multiply
    855,706x = 1,330,359 × 1,330,359
  4. Step 4: Simplify right side
    855,706x = 1,769,855,068,881
  5. Step 5: Solve for x
    x = 1,769,855,068,881/855,706
  6. Step 6: Final answer
    x = 2,068,298.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.