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Finding the Third Proportional to 500,822 and 775,534

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Solution

The third proportional to 500,822 and 775,534 is: 1,200,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,822 : 775,534 = 775,534 : x
  2. Step 2: Convert to fraction form
    500,822/775,534 = 775,534/x
  3. Step 3: Cross multiply
    500,822x = 775,534 × 775,534
  4. Step 4: Simplify right side
    500,822x = 601,452,985,156
  5. Step 5: Solve for x
    x = 601,452,985,156/500,822
  6. Step 6: Final answer
    x = 1,200,931.64

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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.