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Finding the Third Proportional to 1,021,470.75 and 1,645,862.06

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Solution

The third proportional to 1,021,470.75 and 1,645,862.06 is: 2,651,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,470.75 : 1,645,862.06 = 1,645,862.06 : x
  2. Step 2: Convert to fraction form
    1,021,470.75/1,645,862.06 = 1,645,862.06/x
  3. Step 3: Cross multiply
    1,021,470.75x = 1,645,862.06 × 1,645,862.06
  4. Step 4: Simplify right side
    1,021,470.75x = 2,708,861,928,776.75
  5. Step 5: Solve for x
    x = 2,708,861,928,776.75/1,021,470.75
  6. Step 6: Final answer
    x = 2,651,923.15

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.