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Finding the Third Proportional to 771,617.50 and 1,692,641

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Solution

The third proportional to 771,617.50 and 1,692,641 is: 3,713,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,617.50 : 1,692,641 = 1,692,641 : x
  2. Step 2: Convert to fraction form
    771,617.50/1,692,641 = 1,692,641/x
  3. Step 3: Cross multiply
    771,617.50x = 1,692,641 × 1,692,641
  4. Step 4: Simplify right side
    771,617.50x = 2,865,033,554,881
  5. Step 5: Solve for x
    x = 2,865,033,554,881/771,617.50
  6. Step 6: Final answer
    x = 3,713,023.04

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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.