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Finding the Third Proportional to 761,708 and 1,622,110

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Solution

The third proportional to 761,708 and 1,622,110 is: 3,454,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,708 : 1,622,110 = 1,622,110 : x
  2. Step 2: Convert to fraction form
    761,708/1,622,110 = 1,622,110/x
  3. Step 3: Cross multiply
    761,708x = 1,622,110 × 1,622,110
  4. Step 4: Simplify right side
    761,708x = 2,631,240,852,100
  5. Step 5: Solve for x
    x = 2,631,240,852,100/761,708
  6. Step 6: Final answer
    x = 3,454,395.72

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.