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Finding the Third Proportional to 89,720,388 and 134,431,318

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Solution

The third proportional to 89,720,388 and 134,431,318 is: 201,423,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,720,388 : 134,431,318 = 134,431,318 : x
  2. Step 2: Convert to fraction form
    89,720,388/134,431,318 = 134,431,318/x
  3. Step 3: Cross multiply
    89,720,388x = 134,431,318 × 134,431,318
  4. Step 4: Simplify right side
    89,720,388x = 18,071,779,259,217,124
  5. Step 5: Solve for x
    x = 18,071,779,259,217,124/89,720,388
  6. Step 6: Final answer
    x = 201,423,329.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.