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Finding the Third Proportional to 19,389,327.75 and 28,709,619.75

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Solution

The third proportional to 19,389,327.75 and 28,709,619.75 is: 42,510,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,327.75 : 28,709,619.75 = 28,709,619.75 : x
  2. Step 2: Convert to fraction form
    19,389,327.75/28,709,619.75 = 28,709,619.75/x
  3. Step 3: Cross multiply
    19,389,327.75x = 28,709,619.75 × 28,709,619.75
  4. Step 4: Simplify right side
    19,389,327.75x = 824,242,266,189,590
  5. Step 5: Solve for x
    x = 824,242,266,189,590/19,389,327.75
  6. Step 6: Final answer
    x = 42,510,100.24

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.