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Finding the Third Proportional to 10,299,402 and 15,581,660

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Solution

The third proportional to 10,299,402 and 15,581,660 is: 23,573,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299,402 : 15,581,660 = 15,581,660 : x
  2. Step 2: Convert to fraction form
    10,299,402/15,581,660 = 15,581,660/x
  3. Step 3: Cross multiply
    10,299,402x = 15,581,660 × 15,581,660
  4. Step 4: Simplify right side
    10,299,402x = 242,788,128,355,600
  5. Step 5: Solve for x
    x = 242,788,128,355,600/10,299,402
  6. Step 6: Final answer
    x = 23,573,031.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.