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Finding the Third Proportional to 1,021,951.69 and 2,217,764.81

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Solution

The third proportional to 1,021,951.69 and 2,217,764.81 is: 4,812,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,951.69 : 2,217,764.81 = 2,217,764.81 : x
  2. Step 2: Convert to fraction form
    1,021,951.69/2,217,764.81 = 2,217,764.81/x
  3. Step 3: Cross multiply
    1,021,951.69x = 2,217,764.81 × 2,217,764.81
  4. Step 4: Simplify right side
    1,021,951.69x = 4,918,480,763,563.16
  5. Step 5: Solve for x
    x = 4,918,480,763,563.16/1,021,951.69
  6. Step 6: Final answer
    x = 4,812,831.00

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.