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Finding the Third Proportional to 12,490,128 and 26,629,236

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Solution

The third proportional to 12,490,128 and 26,629,236 is: 56,774,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,128 : 26,629,236 = 26,629,236 : x
  2. Step 2: Convert to fraction form
    12,490,128/26,629,236 = 26,629,236/x
  3. Step 3: Cross multiply
    12,490,128x = 26,629,236 × 26,629,236
  4. Step 4: Simplify right side
    12,490,128x = 709,116,209,943,696
  5. Step 5: Solve for x
    x = 709,116,209,943,696/12,490,128
  6. Step 6: Final answer
    x = 56,774,134.74

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.