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Finding the Third Proportional to 123,616,889.44 and 257,406,933.38

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Solution

The third proportional to 123,616,889.44 and 257,406,933.38 is: 535,997,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,616,889.44 : 257,406,933.38 = 257,406,933.38 : x
  2. Step 2: Convert to fraction form
    123,616,889.44/257,406,933.38 = 257,406,933.38/x
  3. Step 3: Cross multiply
    123,616,889.44x = 257,406,933.38 × 257,406,933.38
  4. Step 4: Simplify right side
    123,616,889.44x = 66,258,329,349,521,688
  5. Step 5: Solve for x
    x = 66,258,329,349,521,688/123,616,889.44
  6. Step 6: Final answer
    x = 535,997,383.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.