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Finding the Third Proportional to 803,932 and 1,243,668

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Solution

The third proportional to 803,932 and 1,243,668 is: 1,923,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,932 : 1,243,668 = 1,243,668 : x
  2. Step 2: Convert to fraction form
    803,932/1,243,668 = 1,243,668/x
  3. Step 3: Cross multiply
    803,932x = 1,243,668 × 1,243,668
  4. Step 4: Simplify right side
    803,932x = 1,546,710,094,224
  5. Step 5: Solve for x
    x = 1,546,710,094,224/803,932
  6. Step 6: Final answer
    x = 1,923,931.49

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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.