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Finding the Third Proportional to 87,368 and 130,740

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Solution

The third proportional to 87,368 and 130,740 is: 195,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,368 : 130,740 = 130,740 : x
  2. Step 2: Convert to fraction form
    87,368/130,740 = 130,740/x
  3. Step 3: Cross multiply
    87,368x = 130,740 × 130,740
  4. Step 4: Simplify right side
    87,368x = 17,092,947,600
  5. Step 5: Solve for x
    x = 17,092,947,600/87,368
  6. Step 6: Final answer
    x = 195,643.11

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