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Finding the Third Proportional to 89,278 and 130,499

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Solution

The third proportional to 89,278 and 130,499 is: 190,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278 : 130,499 = 130,499 : x
  2. Step 2: Convert to fraction form
    89,278/130,499 = 130,499/x
  3. Step 3: Cross multiply
    89,278x = 130,499 × 130,499
  4. Step 4: Simplify right side
    89,278x = 17,029,989,001
  5. Step 5: Solve for x
    x = 17,029,989,001/89,278
  6. Step 6: Final answer
    x = 190,752.36

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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.