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Finding the Third Proportional to 3,851,897.50 and 9,109,309

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Solution

The third proportional to 3,851,897.50 and 9,109,309 is: 21,542,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,897.50 : 9,109,309 = 9,109,309 : x
  2. Step 2: Convert to fraction form
    3,851,897.50/9,109,309 = 9,109,309/x
  3. Step 3: Cross multiply
    3,851,897.50x = 9,109,309 × 9,109,309
  4. Step 4: Simplify right side
    3,851,897.50x = 82,979,510,457,481
  5. Step 5: Solve for x
    x = 82,979,510,457,481/3,851,897.50
  6. Step 6: Final answer
    x = 21,542,502.22

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.