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Finding the Third Proportional to 891,187 and 1,341,039

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Solution

The third proportional to 891,187 and 1,341,039 is: 2,017,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,187 : 1,341,039 = 1,341,039 : x
  2. Step 2: Convert to fraction form
    891,187/1,341,039 = 1,341,039/x
  3. Step 3: Cross multiply
    891,187x = 1,341,039 × 1,341,039
  4. Step 4: Simplify right side
    891,187x = 1,798,385,599,521
  5. Step 5: Solve for x
    x = 1,798,385,599,521/891,187
  6. Step 6: Final answer
    x = 2,017,966.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.