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Finding the Third Proportional to 81,703.13 and 112,510.13

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Solution

The third proportional to 81,703.13 and 112,510.13 is: 154,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,703.13 : 112,510.13 = 112,510.13 : x
  2. Step 2: Convert to fraction form
    81,703.13/112,510.13 = 112,510.13/x
  3. Step 3: Cross multiply
    81,703.13x = 112,510.13 × 112,510.13
  4. Step 4: Simplify right side
    81,703.13x = 12,658,528,227.52
  5. Step 5: Solve for x
    x = 12,658,528,227.52/81,703.13
  6. Step 6: Final answer
    x = 154,933.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.