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Finding the Third Proportional to 572,340 and 1,243,176

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Solution

The third proportional to 572,340 and 1,243,176 is: 2,700,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,340 : 1,243,176 = 1,243,176 : x
  2. Step 2: Convert to fraction form
    572,340/1,243,176 = 1,243,176/x
  3. Step 3: Cross multiply
    572,340x = 1,243,176 × 1,243,176
  4. Step 4: Simplify right side
    572,340x = 1,545,486,566,976
  5. Step 5: Solve for x
    x = 1,545,486,566,976/572,340
  6. Step 6: Final answer
    x = 2,700,294.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.