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Finding the Third Proportional to 15,438,858 and 22,709,221

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Solution

The third proportional to 15,438,858 and 22,709,221 is: 33,403,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,858 : 22,709,221 = 22,709,221 : x
  2. Step 2: Convert to fraction form
    15,438,858/22,709,221 = 22,709,221/x
  3. Step 3: Cross multiply
    15,438,858x = 22,709,221 × 22,709,221
  4. Step 4: Simplify right side
    15,438,858x = 515,708,718,426,841
  5. Step 5: Solve for x
    x = 515,708,718,426,841/15,438,858
  6. Step 6: Final answer
    x = 33,403,294.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.