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Finding the Third Proportional to 8,988,840 and 19,810,053

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Solution

The third proportional to 8,988,840 and 19,810,053 is: 43,658,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,840 : 19,810,053 = 19,810,053 : x
  2. Step 2: Convert to fraction form
    8,988,840/19,810,053 = 19,810,053/x
  3. Step 3: Cross multiply
    8,988,840x = 19,810,053 × 19,810,053
  4. Step 4: Simplify right side
    8,988,840x = 392,438,199,862,809
  5. Step 5: Solve for x
    x = 392,438,199,862,809/8,988,840
  6. Step 6: Final answer
    x = 43,658,380.82

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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.