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Finding the Third Proportional to 11,858,428 and 25,858,040

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Solution

The third proportional to 11,858,428 and 25,858,040 is: 56,385,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858,428 : 25,858,040 = 25,858,040 : x
  2. Step 2: Convert to fraction form
    11,858,428/25,858,040 = 25,858,040/x
  3. Step 3: Cross multiply
    11,858,428x = 25,858,040 × 25,858,040
  4. Step 4: Simplify right side
    11,858,428x = 668,638,232,641,600
  5. Step 5: Solve for x
    x = 668,638,232,641,600/11,858,428
  6. Step 6: Final answer
    x = 56,385,064.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.