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Finding the Third Proportional to 64,167,187.50 and 138,561,516

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Solution

The third proportional to 64,167,187.50 and 138,561,516 is: 299,207,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167,187.50 : 138,561,516 = 138,561,516 : x
  2. Step 2: Convert to fraction form
    64,167,187.50/138,561,516 = 138,561,516/x
  3. Step 3: Cross multiply
    64,167,187.50x = 138,561,516 × 138,561,516
  4. Step 4: Simplify right side
    64,167,187.50x = 19,199,293,716,218,256
  5. Step 5: Solve for x
    x = 19,199,293,716,218,256/64,167,187.50
  6. Step 6: Final answer
    x = 299,207,343.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.