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Finding the Third Proportional to 27,357,590 and 42,692,673

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Solution

The third proportional to 27,357,590 and 42,692,673 is: 66,623,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357,590 : 42,692,673 = 42,692,673 : x
  2. Step 2: Convert to fraction form
    27,357,590/42,692,673 = 42,692,673/x
  3. Step 3: Cross multiply
    27,357,590x = 42,692,673 × 42,692,673
  4. Step 4: Simplify right side
    27,357,590x = 1,822,664,327,884,929
  5. Step 5: Solve for x
    x = 1,822,664,327,884,929/27,357,590
  6. Step 6: Final answer
    x = 66,623,716.78

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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.