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Finding the Third Proportional to 345,132 and 750,987

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Solution

The third proportional to 345,132 and 750,987 is: 1,634,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,132 : 750,987 = 750,987 : x
  2. Step 2: Convert to fraction form
    345,132/750,987 = 750,987/x
  3. Step 3: Cross multiply
    345,132x = 750,987 × 750,987
  4. Step 4: Simplify right side
    345,132x = 563,981,474,169
  5. Step 5: Solve for x
    x = 563,981,474,169/345,132
  6. Step 6: Final answer
    x = 1,634,103.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.