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Finding the Third Proportional to 56,900,376 and 81,309,312

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Solution

The third proportional to 56,900,376 and 81,309,312 is: 116,189,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900,376 : 81,309,312 = 81,309,312 : x
  2. Step 2: Convert to fraction form
    56,900,376/81,309,312 = 81,309,312/x
  3. Step 3: Cross multiply
    56,900,376x = 81,309,312 × 81,309,312
  4. Step 4: Simplify right side
    56,900,376x = 6,611,204,217,913,344
  5. Step 5: Solve for x
    x = 6,611,204,217,913,344/56,900,376
  6. Step 6: Final answer
    x = 116,189,113.02

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.