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Finding the Third Proportional to 753,721 and 1,625,610

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Solution

The third proportional to 753,721 and 1,625,610 is: 3,506,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,721 : 1,625,610 = 1,625,610 : x
  2. Step 2: Convert to fraction form
    753,721/1,625,610 = 1,625,610/x
  3. Step 3: Cross multiply
    753,721x = 1,625,610 × 1,625,610
  4. Step 4: Simplify right side
    753,721x = 2,642,607,872,100
  5. Step 5: Solve for x
    x = 2,642,607,872,100/753,721
  6. Step 6: Final answer
    x = 3,506,082.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.