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Finding the Third Proportional to 70,385,328 and 147,206,008

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Solution

The third proportional to 70,385,328 and 147,206,008 is: 307,871,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385,328 : 147,206,008 = 147,206,008 : x
  2. Step 2: Convert to fraction form
    70,385,328/147,206,008 = 147,206,008/x
  3. Step 3: Cross multiply
    70,385,328x = 147,206,008 × 147,206,008
  4. Step 4: Simplify right side
    70,385,328x = 21,669,608,791,296,064
  5. Step 5: Solve for x
    x = 21,669,608,791,296,064/70,385,328
  6. Step 6: Final answer
    x = 307,871,106.20

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.