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Finding the Third Proportional to 15,207,939 and 31,673,943

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Solution

The third proportional to 15,207,939 and 31,673,943 is: 65,968,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207,939 : 31,673,943 = 31,673,943 : x
  2. Step 2: Convert to fraction form
    15,207,939/31,673,943 = 31,673,943/x
  3. Step 3: Cross multiply
    15,207,939x = 31,673,943 × 31,673,943
  4. Step 4: Simplify right side
    15,207,939x = 1,003,238,665,167,249
  5. Step 5: Solve for x
    x = 1,003,238,665,167,249/15,207,939
  6. Step 6: Final answer
    x = 65,968,088.45

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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.