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Finding the Third Proportional to 18,660,034.50 and 29,208,312

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Solution

The third proportional to 18,660,034.50 and 29,208,312 is: 45,719,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,034.50 : 29,208,312 = 29,208,312 : x
  2. Step 2: Convert to fraction form
    18,660,034.50/29,208,312 = 29,208,312/x
  3. Step 3: Cross multiply
    18,660,034.50x = 29,208,312 × 29,208,312
  4. Step 4: Simplify right side
    18,660,034.50x = 853,125,489,889,344
  5. Step 5: Solve for x
    x = 853,125,489,889,344/18,660,034.50
  6. Step 6: Final answer
    x = 45,719,395.10

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.