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Finding the Third Proportional to 1,607,721 and 2,488,275

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Solution

The third proportional to 1,607,721 and 2,488,275 is: 3,851,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,721 : 2,488,275 = 2,488,275 : x
  2. Step 2: Convert to fraction form
    1,607,721/2,488,275 = 2,488,275/x
  3. Step 3: Cross multiply
    1,607,721x = 2,488,275 × 2,488,275
  4. Step 4: Simplify right side
    1,607,721x = 6,191,512,475,625
  5. Step 5: Solve for x
    x = 6,191,512,475,625/1,607,721
  6. Step 6: Final answer
    x = 3,851,111.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.