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Finding the Third Proportional to 977.06 and 2,136.09

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Solution

The third proportional to 977.06 and 2,136.09 is: 4,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.06 : 2,136.09 = 2,136.09 : x
  2. Step 2: Convert to fraction form
    977.06/2,136.09 = 2,136.09/x
  3. Step 3: Cross multiply
    977.06x = 2,136.09 × 2,136.09
  4. Step 4: Simplify right side
    977.06x = 4,562,896.51
  5. Step 5: Solve for x
    x = 4,562,896.51/977.06
  6. Step 6: Final answer
    x = 4,670.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.