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Finding the Third Proportional to 803,240 and 1,070,867

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Solution

The third proportional to 803,240 and 1,070,867 is: 1,427,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,240 : 1,070,867 = 1,070,867 : x
  2. Step 2: Convert to fraction form
    803,240/1,070,867 = 1,070,867/x
  3. Step 3: Cross multiply
    803,240x = 1,070,867 × 1,070,867
  4. Step 4: Simplify right side
    803,240x = 1,146,756,131,689
  5. Step 5: Solve for x
    x = 1,146,756,131,689/803,240
  6. Step 6: Final answer
    x = 1,427,663.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.