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Finding the Third Proportional to 15,703,821 and 34,507,541

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Solution

The third proportional to 15,703,821 and 34,507,541 is: 75,826,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703,821 : 34,507,541 = 34,507,541 : x
  2. Step 2: Convert to fraction form
    15,703,821/34,507,541 = 34,507,541/x
  3. Step 3: Cross multiply
    15,703,821x = 34,507,541 × 34,507,541
  4. Step 4: Simplify right side
    15,703,821x = 1,190,770,385,866,681
  5. Step 5: Solve for x
    x = 1,190,770,385,866,681/15,703,821
  6. Step 6: Final answer
    x = 75,826,793.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.