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Finding the Third Proportional to 30,619,862.37 and 45,355,807.93

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Solution

The third proportional to 30,619,862.37 and 45,355,807.93 is: 67,183,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,862.37 : 45,355,807.93 = 45,355,807.93 : x
  2. Step 2: Convert to fraction form
    30,619,862.37/45,355,807.93 = 45,355,807.93/x
  3. Step 3: Cross multiply
    30,619,862.37x = 45,355,807.93 × 45,355,807.93
  4. Step 4: Simplify right side
    30,619,862.37x = 2,057,149,313,309,159.25
  5. Step 5: Solve for x
    x = 2,057,149,313,309,159.25/30,619,862.37
  6. Step 6: Final answer
    x = 67,183,493.14

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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.