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Finding the Third Proportional to 660,957.47 and 891,787.22

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Solution

The third proportional to 660,957.47 and 891,787.22 is: 1,203,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,957.47 : 891,787.22 = 891,787.22 : x
  2. Step 2: Convert to fraction form
    660,957.47/891,787.22 = 891,787.22/x
  3. Step 3: Cross multiply
    660,957.47x = 891,787.22 × 891,787.22
  4. Step 4: Simplify right side
    660,957.47x = 795,284,443,525.86
  5. Step 5: Solve for x
    x = 795,284,443,525.86/660,957.47
  6. Step 6: Final answer
    x = 1,203,230.89

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.