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Finding the Third Proportional to 180,811,172 and 392,445,963

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Solution

The third proportional to 180,811,172 and 392,445,963 is: 851,793,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,811,172 : 392,445,963 = 392,445,963 : x
  2. Step 2: Convert to fraction form
    180,811,172/392,445,963 = 392,445,963/x
  3. Step 3: Cross multiply
    180,811,172x = 392,445,963 × 392,445,963
  4. Step 4: Simplify right side
    180,811,172x = 154,013,833,874,997,376
  5. Step 5: Solve for x
    x = 154,013,833,874,997,376/180,811,172
  6. Step 6: Final answer
    x = 851,793,792.23

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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.