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Finding the Third Proportional to 109,986,050 and 238,889,115

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Solution

The third proportional to 109,986,050 and 238,889,115 is: 518,865,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986,050 : 238,889,115 = 238,889,115 : x
  2. Step 2: Convert to fraction form
    109,986,050/238,889,115 = 238,889,115/x
  3. Step 3: Cross multiply
    109,986,050x = 238,889,115 × 238,889,115
  4. Step 4: Simplify right side
    109,986,050x = 57,068,009,265,483,224
  5. Step 5: Solve for x
    x = 57,068,009,265,483,224/109,986,050
  6. Step 6: Final answer
    x = 518,865,885.86

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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.