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Finding the Third Proportional to 516,339 and 1,118,457

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Solution

The third proportional to 516,339 and 1,118,457 is: 2,422,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,339 : 1,118,457 = 1,118,457 : x
  2. Step 2: Convert to fraction form
    516,339/1,118,457 = 1,118,457/x
  3. Step 3: Cross multiply
    516,339x = 1,118,457 × 1,118,457
  4. Step 4: Simplify right side
    516,339x = 1,250,946,060,849
  5. Step 5: Solve for x
    x = 1,250,946,060,849/516,339
  6. Step 6: Final answer
    x = 2,422,722.40

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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.