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Finding the Third Proportional to 74,855,187 and 163,820,614.50

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Solution

The third proportional to 74,855,187 and 163,820,614.50 is: 358,521,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855,187 : 163,820,614.50 = 163,820,614.50 : x
  2. Step 2: Convert to fraction form
    74,855,187/163,820,614.50 = 163,820,614.50/x
  3. Step 3: Cross multiply
    74,855,187x = 163,820,614.50 × 163,820,614.50
  4. Step 4: Simplify right side
    74,855,187x = 26,837,193,735,157,612
  5. Step 5: Solve for x
    x = 26,837,193,735,157,612/74,855,187
  6. Step 6: Final answer
    x = 358,521,497.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.