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Finding the Third Proportional to 655,541 and 1,426,445

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Solution

The third proportional to 655,541 and 1,426,445 is: 3,103,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,541 : 1,426,445 = 1,426,445 : x
  2. Step 2: Convert to fraction form
    655,541/1,426,445 = 1,426,445/x
  3. Step 3: Cross multiply
    655,541x = 1,426,445 × 1,426,445
  4. Step 4: Simplify right side
    655,541x = 2,034,745,338,025
  5. Step 5: Solve for x
    x = 2,034,745,338,025/655,541
  6. Step 6: Final answer
    x = 3,103,917.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.