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Finding the Third Proportional to 7,129,225.13 and 15,394,809.38

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Solution

The third proportional to 7,129,225.13 and 15,394,809.38 is: 33,243,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,225.13 : 15,394,809.38 = 15,394,809.38 : x
  2. Step 2: Convert to fraction form
    7,129,225.13/15,394,809.38 = 15,394,809.38/x
  3. Step 3: Cross multiply
    7,129,225.13x = 15,394,809.38 × 15,394,809.38
  4. Step 4: Simplify right side
    7,129,225.13x = 237,000,155,692,587.88
  5. Step 5: Solve for x
    x = 237,000,155,692,587.88/7,129,225.13
  6. Step 6: Final answer
    x = 33,243,466.37

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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.