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Finding the Third Proportional to 528,074 and 703,911

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Solution

The third proportional to 528,074 and 703,911 is: 938,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,074 : 703,911 = 703,911 : x
  2. Step 2: Convert to fraction form
    528,074/703,911 = 703,911/x
  3. Step 3: Cross multiply
    528,074x = 703,911 × 703,911
  4. Step 4: Simplify right side
    528,074x = 495,490,695,921
  5. Step 5: Solve for x
    x = 495,490,695,921/528,074
  6. Step 6: Final answer
    x = 938,297.84

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.