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Finding the Third Proportional to 109,986,063 and 238,889,155

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Solution

The third proportional to 109,986,063 and 238,889,155 is: 518,865,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986,063 : 238,889,155 = 238,889,155 : x
  2. Step 2: Convert to fraction form
    109,986,063/238,889,155 = 238,889,155/x
  3. Step 3: Cross multiply
    109,986,063x = 238,889,155 × 238,889,155
  4. Step 4: Simplify right side
    109,986,063x = 57,068,028,376,614,024
  5. Step 5: Solve for x
    x = 57,068,028,376,614,024/109,986,063
  6. Step 6: Final answer
    x = 518,865,998.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.