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Finding the Third Proportional to 716,508 and 1,018,638

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Solution

The third proportional to 716,508 and 1,018,638 is: 1,448,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,508 : 1,018,638 = 1,018,638 : x
  2. Step 2: Convert to fraction form
    716,508/1,018,638 = 1,018,638/x
  3. Step 3: Cross multiply
    716,508x = 1,018,638 × 1,018,638
  4. Step 4: Simplify right side
    716,508x = 1,037,623,375,044
  5. Step 5: Solve for x
    x = 1,037,623,375,044/716,508
  6. Step 6: Final answer
    x = 1,448,167.19

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.