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Finding the Third Proportional to 30,271,489.50 and 64,579,088.25

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Solution

The third proportional to 30,271,489.50 and 64,579,088.25 is: 137,768,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,489.50 : 64,579,088.25 = 64,579,088.25 : x
  2. Step 2: Convert to fraction form
    30,271,489.50/64,579,088.25 = 64,579,088.25/x
  3. Step 3: Cross multiply
    30,271,489.50x = 64,579,088.25 × 64,579,088.25
  4. Step 4: Simplify right side
    30,271,489.50x = 4,170,458,639,201,288
  5. Step 5: Solve for x
    x = 4,170,458,639,201,288/30,271,489.50
  6. Step 6: Final answer
    x = 137,768,530.99

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.