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Finding the Third Proportional to 10,423,072.50 and 15,036,556.50

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Solution

The third proportional to 10,423,072.50 and 15,036,556.50 is: 21,692,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423,072.50 : 15,036,556.50 = 15,036,556.50 : x
  2. Step 2: Convert to fraction form
    10,423,072.50/15,036,556.50 = 15,036,556.50/x
  3. Step 3: Cross multiply
    10,423,072.50x = 15,036,556.50 × 15,036,556.50
  4. Step 4: Simplify right side
    10,423,072.50x = 226,098,031,377,692.25
  5. Step 5: Solve for x
    x = 226,098,031,377,692.25/10,423,072.50
  6. Step 6: Final answer
    x = 21,692,071.26

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.