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Finding the Third Proportional to 20,995,721.81 and 30,023,918.06

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Solution

The third proportional to 20,995,721.81 and 30,023,918.06 is: 42,934,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,721.81 : 30,023,918.06 = 30,023,918.06 : x
  2. Step 2: Convert to fraction form
    20,995,721.81/30,023,918.06 = 30,023,918.06/x
  3. Step 3: Cross multiply
    20,995,721.81x = 30,023,918.06 × 30,023,918.06
  4. Step 4: Simplify right side
    20,995,721.81x = 901,435,655,823,713.75
  5. Step 5: Solve for x
    x = 901,435,655,823,713.75/20,995,721.81
  6. Step 6: Final answer
    x = 42,934,254.12

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.