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Finding the Third Proportional to 507,426 and 1,115,292

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Solution

The third proportional to 507,426 and 1,115,292 is: 2,451,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,426 : 1,115,292 = 1,115,292 : x
  2. Step 2: Convert to fraction form
    507,426/1,115,292 = 1,115,292/x
  3. Step 3: Cross multiply
    507,426x = 1,115,292 × 1,115,292
  4. Step 4: Simplify right side
    507,426x = 1,243,876,245,264
  5. Step 5: Solve for x
    x = 1,243,876,245,264/507,426
  6. Step 6: Final answer
    x = 2,451,345.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.