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Finding the Third Proportional to 231,516 and 507,348

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Solution

The third proportional to 231,516 and 507,348 is: 1,111,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516 : 507,348 = 507,348 : x
  2. Step 2: Convert to fraction form
    231,516/507,348 = 507,348/x
  3. Step 3: Cross multiply
    231,516x = 507,348 × 507,348
  4. Step 4: Simplify right side
    231,516x = 257,401,993,104
  5. Step 5: Solve for x
    x = 257,401,993,104/231,516
  6. Step 6: Final answer
    x = 1,111,810.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.