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Finding the Third Proportional to 72,065,626 and 149,241,654

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Solution

The third proportional to 72,065,626 and 149,241,654 is: 309,066,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,065,626 : 149,241,654 = 149,241,654 : x
  2. Step 2: Convert to fraction form
    72,065,626/149,241,654 = 149,241,654/x
  3. Step 3: Cross multiply
    72,065,626x = 149,241,654 × 149,241,654
  4. Step 4: Simplify right side
    72,065,626x = 22,273,071,288,655,716
  5. Step 5: Solve for x
    x = 22,273,071,288,655,716/72,065,626
  6. Step 6: Final answer
    x = 309,066,506.81

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.