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Finding the Third Proportional to 771,632 and 1,692,668

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Solution

The third proportional to 771,632 and 1,692,668 is: 3,713,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,632 : 1,692,668 = 1,692,668 : x
  2. Step 2: Convert to fraction form
    771,632/1,692,668 = 1,692,668/x
  3. Step 3: Cross multiply
    771,632x = 1,692,668 × 1,692,668
  4. Step 4: Simplify right side
    771,632x = 2,865,124,958,224
  5. Step 5: Solve for x
    x = 2,865,124,958,224/771,632
  6. Step 6: Final answer
    x = 3,713,071.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.