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Finding the Third Proportional to 8,858,865 and 13,666,063.50

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Solution

The third proportional to 8,858,865 and 13,666,063.50 is: 21,081,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,865 : 13,666,063.50 = 13,666,063.50 : x
  2. Step 2: Convert to fraction form
    8,858,865/13,666,063.50 = 13,666,063.50/x
  3. Step 3: Cross multiply
    8,858,865x = 13,666,063.50 × 13,666,063.50
  4. Step 4: Simplify right side
    8,858,865x = 186,761,291,586,032.25
  5. Step 5: Solve for x
    x = 186,761,291,586,032.25/8,858,865
  6. Step 6: Final answer
    x = 21,081,853.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.