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Finding the Third Proportional to 18,586,312 and 40,261,060

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Solution

The third proportional to 18,586,312 and 40,261,060 is: 87,212,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,312 : 40,261,060 = 40,261,060 : x
  2. Step 2: Convert to fraction form
    18,586,312/40,261,060 = 40,261,060/x
  3. Step 3: Cross multiply
    18,586,312x = 40,261,060 × 40,261,060
  4. Step 4: Simplify right side
    18,586,312x = 1,620,952,952,323,600
  5. Step 5: Solve for x
    x = 1,620,952,952,323,600/18,586,312
  6. Step 6: Final answer
    x = 87,212,188.86

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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.