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Finding the Third Proportional to 891,033 and 1,287,389

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Solution

The third proportional to 891,033 and 1,287,389 is: 1,860,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,033 : 1,287,389 = 1,287,389 : x
  2. Step 2: Convert to fraction form
    891,033/1,287,389 = 1,287,389/x
  3. Step 3: Cross multiply
    891,033x = 1,287,389 × 1,287,389
  4. Step 4: Simplify right side
    891,033x = 1,657,370,437,321
  5. Step 5: Solve for x
    x = 1,657,370,437,321/891,033
  6. Step 6: Final answer
    x = 1,860,055.06

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.