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Finding the Third Proportional to 540,872.44 and 840,833.16

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Solution

The third proportional to 540,872.44 and 840,833.16 is: 1,307,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,872.44 : 840,833.16 = 840,833.16 : x
  2. Step 2: Convert to fraction form
    540,872.44/840,833.16 = 840,833.16/x
  3. Step 3: Cross multiply
    540,872.44x = 840,833.16 × 840,833.16
  4. Step 4: Simplify right side
    540,872.44x = 707,000,396,649.34
  5. Step 5: Solve for x
    x = 707,000,396,649.34/540,872.44
  6. Step 6: Final answer
    x = 1,307,148.13

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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.