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Finding the Third Proportional to 854,752 and 1,328,768

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Solution

The third proportional to 854,752 and 1,328,768 is: 2,065,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,752 : 1,328,768 = 1,328,768 : x
  2. Step 2: Convert to fraction form
    854,752/1,328,768 = 1,328,768/x
  3. Step 3: Cross multiply
    854,752x = 1,328,768 × 1,328,768
  4. Step 4: Simplify right side
    854,752x = 1,765,624,397,824
  5. Step 5: Solve for x
    x = 1,765,624,397,824/854,752
  6. Step 6: Final answer
    x = 2,065,656.94

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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.