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Finding the Third Proportional to 891,032 and 1,287,387.50

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Solution

The third proportional to 891,032 and 1,287,387.50 is: 1,860,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,032 : 1,287,387.50 = 1,287,387.50 : x
  2. Step 2: Convert to fraction form
    891,032/1,287,387.50 = 1,287,387.50/x
  3. Step 3: Cross multiply
    891,032x = 1,287,387.50 × 1,287,387.50
  4. Step 4: Simplify right side
    891,032x = 1,657,366,575,156.25
  5. Step 5: Solve for x
    x = 1,657,366,575,156.25/891,032
  6. Step 6: Final answer
    x = 1,860,052.81

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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.