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Finding the Third Proportional to 109,986,061 and 238,889,151

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Solution

The third proportional to 109,986,061 and 238,889,151 is: 518,865,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986,061 : 238,889,151 = 238,889,151 : x
  2. Step 2: Convert to fraction form
    109,986,061/238,889,151 = 238,889,151/x
  3. Step 3: Cross multiply
    109,986,061x = 238,889,151 × 238,889,151
  4. Step 4: Simplify right side
    109,986,061x = 57,068,026,465,500,800
  5. Step 5: Solve for x
    x = 57,068,026,465,500,800/109,986,061
  6. Step 6: Final answer
    x = 518,865,990.35

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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.