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Finding the Third Proportional to 8,786,860 and 13,604,288

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Solution

The third proportional to 8,786,860 and 13,604,288 is: 21,062,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786,860 : 13,604,288 = 13,604,288 : x
  2. Step 2: Convert to fraction form
    8,786,860/13,604,288 = 13,604,288/x
  3. Step 3: Cross multiply
    8,786,860x = 13,604,288 × 13,604,288
  4. Step 4: Simplify right side
    8,786,860x = 185,076,651,986,944
  5. Step 5: Solve for x
    x = 185,076,651,986,944/8,786,860
  6. Step 6: Final answer
    x = 21,062,888.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.