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Finding the Third Proportional to 7,152,437 and 15,515,890

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Solution

The third proportional to 7,152,437 and 15,515,890 is: 33,658,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,437 : 15,515,890 = 15,515,890 : x
  2. Step 2: Convert to fraction form
    7,152,437/15,515,890 = 15,515,890/x
  3. Step 3: Cross multiply
    7,152,437x = 15,515,890 × 15,515,890
  4. Step 4: Simplify right side
    7,152,437x = 240,742,842,492,100
  5. Step 5: Solve for x
    x = 240,742,842,492,100/7,152,437
  6. Step 6: Final answer
    x = 33,658,855.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.