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Finding the Third Proportional to 100,308.38 and 147,386.25

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Solution

The third proportional to 100,308.38 and 147,386.25 is: 216,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,308.38 : 147,386.25 = 147,386.25 : x
  2. Step 2: Convert to fraction form
    100,308.38/147,386.25 = 147,386.25/x
  3. Step 3: Cross multiply
    100,308.38x = 147,386.25 × 147,386.25
  4. Step 4: Simplify right side
    100,308.38x = 21,722,706,689.06
  5. Step 5: Solve for x
    x = 21,722,706,689.06/100,308.38
  6. Step 6: Final answer
    x = 216,559.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.