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Finding the Third Proportional to 27,357,858 and 42,693,075

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Solution

The third proportional to 27,357,858 and 42,693,075 is: 66,624,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357,858 : 42,693,075 = 42,693,075 : x
  2. Step 2: Convert to fraction form
    27,357,858/42,693,075 = 42,693,075/x
  3. Step 3: Cross multiply
    27,357,858x = 42,693,075 × 42,693,075
  4. Step 4: Simplify right side
    27,357,858x = 1,822,698,652,955,625
  5. Step 5: Solve for x
    x = 1,822,698,652,955,625/27,357,858
  6. Step 6: Final answer
    x = 66,624,318.80

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.