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Finding the Third Proportional to 158,130 and 345,444

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Solution

The third proportional to 158,130 and 345,444 is: 754,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,130 : 345,444 = 345,444 : x
  2. Step 2: Convert to fraction form
    158,130/345,444 = 345,444/x
  3. Step 3: Cross multiply
    158,130x = 345,444 × 345,444
  4. Step 4: Simplify right side
    158,130x = 119,331,557,136
  5. Step 5: Solve for x
    x = 119,331,557,136/158,130
  6. Step 6: Final answer
    x = 754,642.11

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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.