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Finding the Third Proportional to 28,387,918.13 and 42,534,471.94

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Solution

The third proportional to 28,387,918.13 and 42,534,471.94 is: 63,730,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,918.13 : 42,534,471.94 = 42,534,471.94 : x
  2. Step 2: Convert to fraction form
    28,387,918.13/42,534,471.94 = 42,534,471.94/x
  3. Step 3: Cross multiply
    28,387,918.13x = 42,534,471.94 × 42,534,471.94
  4. Step 4: Simplify right side
    28,387,918.13x = 1,809,181,303,001,975
  5. Step 5: Solve for x
    x = 1,809,181,303,001,975/28,387,918.13
  6. Step 6: Final answer
    x = 63,730,679.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.