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Finding the Third Proportional to 147,126 and 314,988

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Solution

The third proportional to 147,126 and 314,988 is: 674,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,126 : 314,988 = 314,988 : x
  2. Step 2: Convert to fraction form
    147,126/314,988 = 314,988/x
  3. Step 3: Cross multiply
    147,126x = 314,988 × 314,988
  4. Step 4: Simplify right side
    147,126x = 99,217,440,144
  5. Step 5: Solve for x
    x = 99,217,440,144/147,126
  6. Step 6: Final answer
    x = 674,370.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.