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Finding the Third Proportional to 828,837 and 1,238,140.13

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Solution

The third proportional to 828,837 and 1,238,140.13 is: 1,849,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,837 : 1,238,140.13 = 1,238,140.13 : x
  2. Step 2: Convert to fraction form
    828,837/1,238,140.13 = 1,238,140.13/x
  3. Step 3: Cross multiply
    828,837x = 1,238,140.13 × 1,238,140.13
  4. Step 4: Simplify right side
    828,837x = 1,532,990,969,135.02
  5. Step 5: Solve for x
    x = 1,532,990,969,135.02/828,837
  6. Step 6: Final answer
    x = 1,849,568.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.