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Finding the Third Proportional to 145,429,806 and 311,015,004

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Solution

The third proportional to 145,429,806 and 311,015,004 is: 665,134,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429,806 : 311,015,004 = 311,015,004 : x
  2. Step 2: Convert to fraction form
    145,429,806/311,015,004 = 311,015,004/x
  3. Step 3: Cross multiply
    145,429,806x = 311,015,004 × 311,015,004
  4. Step 4: Simplify right side
    145,429,806x = 96,730,332,713,120,016
  5. Step 5: Solve for x
    x = 96,730,332,713,120,016/145,429,806
  6. Step 6: Final answer
    x = 665,134,165.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.