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Finding the Third Proportional to 771,608 and 1,692,621

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Solution

The third proportional to 771,608 and 1,692,621 is: 3,712,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,608 : 1,692,621 = 1,692,621 : x
  2. Step 2: Convert to fraction form
    771,608/1,692,621 = 1,692,621/x
  3. Step 3: Cross multiply
    771,608x = 1,692,621 × 1,692,621
  4. Step 4: Simplify right side
    771,608x = 2,864,965,849,641
  5. Step 5: Solve for x
    x = 2,864,965,849,641/771,608
  6. Step 6: Final answer
    x = 3,712,981.01

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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.