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Finding the Third Proportional to 109,959,680 and 161,344,806

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Solution

The third proportional to 109,959,680 and 161,344,806 is: 236,742,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,959,680 : 161,344,806 = 161,344,806 : x
  2. Step 2: Convert to fraction form
    109,959,680/161,344,806 = 161,344,806/x
  3. Step 3: Cross multiply
    109,959,680x = 161,344,806 × 161,344,806
  4. Step 4: Simplify right side
    109,959,680x = 26,032,146,423,177,636
  5. Step 5: Solve for x
    x = 26,032,146,423,177,636/109,959,680
  6. Step 6: Final answer
    x = 236,742,653.52

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.