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Finding the Third Proportional to 131,368 and 272,078

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Solution

The third proportional to 131,368 and 272,078 is: 563,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,368 : 272,078 = 272,078 : x
  2. Step 2: Convert to fraction form
    131,368/272,078 = 272,078/x
  3. Step 3: Cross multiply
    131,368x = 272,078 × 272,078
  4. Step 4: Simplify right side
    131,368x = 74,026,438,084
  5. Step 5: Solve for x
    x = 74,026,438,084/131,368
  6. Step 6: Final answer
    x = 563,504.34

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.