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Finding the Third Proportional to 18,554,840 and 28,088,892

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Solution

The third proportional to 18,554,840 and 28,088,892 is: 42,521,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554,840 : 28,088,892 = 28,088,892 : x
  2. Step 2: Convert to fraction form
    18,554,840/28,088,892 = 28,088,892/x
  3. Step 3: Cross multiply
    18,554,840x = 28,088,892 × 28,088,892
  4. Step 4: Simplify right side
    18,554,840x = 788,985,853,787,664
  5. Step 5: Solve for x
    x = 788,985,853,787,664/18,554,840
  6. Step 6: Final answer
    x = 42,521,835.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.