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Finding the Third Proportional to 401,024.95 and 891,712.13

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Solution

The third proportional to 401,024.95 and 891,712.13 is: 1,982,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,024.95 : 891,712.13 = 891,712.13 : x
  2. Step 2: Convert to fraction form
    401,024.95/891,712.13 = 891,712.13/x
  3. Step 3: Cross multiply
    401,024.95x = 891,712.13 × 891,712.13
  4. Step 4: Simplify right side
    401,024.95x = 795,150,513,872.02
  5. Step 5: Solve for x
    x = 795,150,513,872.02/401,024.95
  6. Step 6: Final answer
    x = 1,982,795.60

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.