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Finding the Third Proportional to 909,488 and 1,376,920

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Solution

The third proportional to 909,488 and 1,376,920 is: 2,084,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,488 : 1,376,920 = 1,376,920 : x
  2. Step 2: Convert to fraction form
    909,488/1,376,920 = 1,376,920/x
  3. Step 3: Cross multiply
    909,488x = 1,376,920 × 1,376,920
  4. Step 4: Simplify right side
    909,488x = 1,895,908,686,400
  5. Step 5: Solve for x
    x = 1,895,908,686,400/909,488
  6. Step 6: Final answer
    x = 2,084,589.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.