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Finding the Third Proportional to 1,521,354.66 and 2,175,398.65

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Solution

The third proportional to 1,521,354.66 and 2,175,398.65 is: 3,110,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,354.66 : 2,175,398.65 = 2,175,398.65 : x
  2. Step 2: Convert to fraction form
    1,521,354.66/2,175,398.65 = 2,175,398.65/x
  3. Step 3: Cross multiply
    1,521,354.66x = 2,175,398.65 × 2,175,398.65
  4. Step 4: Simplify right side
    1,521,354.66x = 4,732,359,279,624.14
  5. Step 5: Solve for x
    x = 4,732,359,279,624.14/1,521,354.66
  6. Step 6: Final answer
    x = 3,110,622.01

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.