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Finding the Third Proportional to 9,707,080 and 21,121,424

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Solution

The third proportional to 9,707,080 and 21,121,424 is: 45,957,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707,080 : 21,121,424 = 21,121,424 : x
  2. Step 2: Convert to fraction form
    9,707,080/21,121,424 = 21,121,424/x
  3. Step 3: Cross multiply
    9,707,080x = 21,121,424 × 21,121,424
  4. Step 4: Simplify right side
    9,707,080x = 446,114,551,787,776
  5. Step 5: Solve for x
    x = 446,114,551,787,776/9,707,080
  6. Step 6: Final answer
    x = 45,957,646.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.